The frequency of scans within the recommended range of every 1-3 

The frequency of scans within the recommended range of every 1-3 years should be clinically determined, with scans performed more Selleckchem ABT199 frequently in those asymptomatic SEGA patients who

are younger, whose SEGA are larger or growing, or who are developmentally or cognitively disabled such that they cannot reliably report subtle symptoms. (Category 2A) Individuals without SEGA by the age of 25 years do not need continued surveillance imaging, but those with asymptomatic SEGA present in childhood should continue to be monitored by MRI for life because of the possibility of growth. There is insufficient evidence to determine the recommended frequency of MRI surveillance in this latter group, but important clinical factors that would favor shorter intervals include SEGA with proximity to foramen of Monro, large size, or recently discovered. However, once stability is clearly established, it may be possible to increase the interval of surveillance monitoring over time. (Category 3) Strong evidence demonstrates superior efficacy for the treatment selleck screening library of infantile spasms with vigabatrin in patients with TSC34, 35, 36 and 37; therefore, vigabatrin should be first-line treatment. However, the prescribing clinician should be aware of possible side effects, particularly possible retinal toxicity, and how to monitor for these. Adrenocorticotropin hormone

(ACTH) can be used as second-line therapy if treatment with vigabatrin fails. (Category 1) Routine EEG is recommended in individuals with known or suspected seizure activity, but frequency should be determined by clinical need rather than a specific defined interval. If changes in sleep, behavior, or cognitive or neurological function are not explained by routine EEG, 24-hour video EEG should be considered to assess for unrecognized or subclinical seizure activity. (Category 2A) Early epilepsy treatment may be of benefit in infants and children during the first 24 months of life if ictal discharges occur, with

or without clinical manifestations.38 Other than for infantile spasms in TSC, there is little evidence to guide specific anticonvulsant treatment. In P-type ATPase general, this should follow that of other epilepsies, but it should be noted that the prevalence of medically refractory epilepsy is high in TSC even with adequate trials of currently available anticonvulsant medications.30 and 39 Epilepsy surgery and vagus nerve stimulation may be considered for medically refractory TSC patients, but evaluation should take place at epilepsy centers with experience and expertise in TSC, and special consideration should be given to children at younger ages experiencing neurological regression. (Category 2A) Given that the physical features of TSC such as SEGA, epilepsy, or renal failure may present with TAND-like behaviors, sudden and rapid changes in TAND should prompt an urgent overall physical workup in such individuals.

5 N preload, until failure using an Instron 8841 DynaMight™ Axial

5 N preload, until failure using an Instron 8841 DynaMight™ Axial Testing System (Instron Corp.; Canton, MA) with a 50 N load cell. The compressive load data were plotted against displacement data, which were normalized by the height of each vertebral body (apparent strain), to determine the yield and maximum strength, compressive stiffness, and energy to maximum loading. The yield point was determined by a 0.2% strain offset. Apparent stresses were estimated by normalizing the loads by the total cross-sectional bone area of each vertebral body. To determine whether the HFD affects immature versus mature mice differently, a two-way Buparlisib mw analysis

of variance (ANOVA) was used to elucidate the effects of diet, age group and their interaction (diet × age group). The D’Agostino–Pearson normality test was performed on each metric, which supported that the data were consistent with a Gaussian distribution. A two-way ANOVA approach was used because the interactive effect describes whether the age groups were indeed affected differently

by the HFD. Next, the persistence of any HFD-induced deficits in bone structure or strength after diet correction was assessed by comparing HFD and HFD:LFD mice across the two age groups by two-way ANOVA. Considering that there is an effect of intra-group aging between the 12 and 24 week time points, the RG7204 mw HFD-fed groups were normalized to their age-matched lean controls for this analysis (HFD/LFD vs. HFD:LFD/LFD:LFD). Therefore, in this normalized analysis, a significant diet effect indicates that there is a difference in the relationship of HFD-fed mice to lean controls from before and after diet correction. When interactions in the two-way ANOVAs were statistically significant, Bonferroni’s post-hoc test was used to determine whether the differences due to diet were significant within each age group. Differences were deemed statistically significant when p < 0.05. As expected, 12 weeks on the HFD induced significant weight

gain (Fig. 1A) along with elevated fasting blood glucose TCL (Fig. 1B) and serum leptin levels (Fig. 1C) in both immature and mature age groups of male C57BL/6J mice. The mature mice gained significantly more weight than the immature mice and had significantly greater increases in fasting blood glucose levels, as evidenced by the significant interactive effects and post-hoc comparisons. The insignificantly different leptin concentrations in the HFD-fed mice across the two age groups suggest that similar levels of obesity were reached while on this diet. Micro-CT scans of the distal femur demonstrated a lower cancellous bone volume in the HFD mice than LFD controls (Figs. 2A,B), with significantly reduced trabecular BVF in HFD compared to LFD mice. A significantly greater reduction in BVF was observed in immature than mature mice (Fig.

There is a 56 69% and

59 34 chance respectively for mixed

There is a 56.69% and

59.34 chance respectively for mixed culture I and mixed culture II that a “Lack of Fit F  -value” could occur due to noise. Non-significant Lack of Fit is good. The R  2 value (multiple correlation coefficient) closer to 1 for both mixed culture indicates better correlation between the observed and predicted values. The coefficient of variation (CV) indicates the degree of precision with which the experiments are compared. The lower reliability of the experiment is usually indicated by a high value of CV. In the present cases a low CV (1.60 and 18.73) denotes that the experiments performed PD-1 antibody are highly reliable. The P   value denotes the significance of the coefficients and is also important in understanding the pattern of the mutual interactions between the variables. For mixed culture I the P   values ( Table 5) suggest that among the three variables studied, X1X1 (initial yeast to bacteria ratio) and X3X3 (pH) showed maximum interaction, while in the mixed culture II the variable, X1X1 (initial yeast to bacteria ratio) and X2X2 (temperature) showed maximum interaction. The cumulative this website effect and optimal levels of the variables were determined by plotting

the response surface curves. The response surface curves are represented in Fig. 4 and Fig. 5. These figures represent the interactive effect of initial yeast to bacteria ration (R0), temperature, and pH on α-amylase production. Validation of the models for both mixed cultures was carried

out under conditions predicted by the two models. A close correlation was seen between the experimental and predicted values. The optimal levels of the process variables for α-amylase production Inositol monophosphatase 1 were initial yeast to bacteria ratio (1.125), temperature (33.5 °C) and pH (5.0). This study demonstrated the stimulation of α-amylase production in two bacteria (B. amyloliquefaciens 04BBA15, and L. fermentum 04BBA19) by the yeast S. cerevisiae. The study highlighted the impact of microbial interactions (symbiosis) on microbial enzyme production, especially the thermostable α-amylase. Significant enhancement of α-amylase production was observed when the enzyme producing strains were cultured together with S. cerevisiae. Microbial interactions were important events influencing enzyme synthesis in mixed culture; hence the initial microbial ratio was among the highly significant factors for α-amylase production. Taking into account these biotic factors, the optimization of enzyme production led to a high level of enzyme in mixed culture, thus microbial interactions could be recommended for use in the enhancement of industrial microbial enzyme production.

AW – koncepcja pracy, zebranie i interpretacja danych, akceptacja

AW – koncepcja pracy, zebranie i interpretacja danych, akceptacja ostatecznej wersji, przygotowanie literatury. MS – koncepcja pracy, zebranie i interpretacja danych, przygotowanie literatury. JK – koncepcja

pracy, akceptacja ostatecznej wersji. Nie występuje. Nie występuje. Treści przedstawione w artykule są zgodne z zasadami Deklaracji Helsińskiej, dyrektywami EU oraz ujednoliconymi wymaganiami dla czasopism biomedycznych. “
“Recently in most countries there has been a continuous increase in the number of various allergic diseases among children and adults. Clinical manifestation of allergic reactions in www.selleckchem.com/products/SRT1720.html infancy is mainly related to peculiarities of nutrition. Nowadays there are no clear epidemiological data on the incidence of food allergies in early childhood [1] and [2]. Food allergies among babies are mainly represented Protein Tyrosine Kinase inhibitor by hyperergic (immunological) response to one or more of the proteins in cow’s milk [3]. Its precise prevalence in infants is unknown, and it is estimated to be between 2 and 6% [4] and [5]. Clinical manifestations

of cow’s milk protein allergy (CMPA) decrease or disappear by the end of the first year of life in half of the children and in nearly 80% – within the first 3 years of life [6] and [7]. At the same time clinical manifestations of food hypersensitivity in babies occur 4 times oftener than CMPA, but parents and physicians sometimes cannot differentiate them. Quite often this diagnosis is based on the presence of rash, seborrhea, dermatitis, functional disorders of the digestive system, breathing, nasal disorders, sleep disorders [8] and [9]. Clinical tolerance to cow’s milk proteins (CMP) is formed in majority of the children up to 3 years

of age, but atopic dermatitis, allergic rhinitis, bronchial asthma, “atopic march” may develop in some percentage of children with CMPA later [10] and [11]. Nowadays, optimum age of the child to administer unmodified cow’s milk (UCM) is debatable. Early introduction of UCM into the baby’s diet may provoke the development of food allergy and allergic reactions. Most of the world does not recommend using unmodified cow’s milk to children of the first year of life, but in some countries (Canada, Sweden, Denmark) the use of cow’s milk is considered acceptable from 9 or 10 months of age [12]. In Ukraine UCM is allowed Methocarbamol after 9 months according to National Protocol [15]. However in a number of European countries for children up to 3 years is recommended to use special modified dairy products, which are called “growing up milks” [13] and [14]. Increased consumption of dairy products (“growing up milks” or GUM) is observed in Europe and most other countries of the world [14]. To clarify the situation with toddler’s nutrition in European countries large-scale surveys and relevant epidemiological studies were conducted involving large number of toddlers and their families.

8 and 11 Rarely, stones may also comprise xanthine, or 2,8-dihydr

8 and 11 Rarely, stones may also comprise xanthine, or 2,8-dihydroxyadenine. The initiation and growth of calculi requires the supersaturation of certain ions in the urine. The most important determinants of urine solubility and the likelihood of ion supersaturation (crystallization) are the total urine volume, the concentration of the stone-forming ions, the concentration of

inhibitors of crystallization, the concentration of promoters of crystallization, and the urine pH. All types of calculi are less likely to form in dilute urine. Citrate, magnesium, pyrophosphate, certain glycosaminoglycans, nephrocalcin, and phytates all act to inhibit crystallization of calcium oxalate and calcium phosphate. Citrate acts as an inhibitor for the formation of calcium stones and binds to urinary calcium, thereby forming a soluble complex, which Cyclopamine cell line decreases the availability of free ionic calcium necessary for calcium oxalate 17-AAG datasheet or calcium phosphate crystallization. Citrate also acts as a direct inhibitor of calcium crystal aggregation and growth.12 and 13 Conversely, the presence of uric acid promotes calcium oxalate crystallization, which exemplifies the process of epitaxy, in which the crystal base of one material allows the growth of a second mineral that it is in the same crystalline orientation. Urine pH is important in that certain crystals such as cystine (pH <7.5) and uric acid (pH <6.0) are more likely to aggregate

in acid urine whereas calcium phosphate (pH >6) is more likely to precipitate in alkaline urine. Calcium oxalate solubility is not appreciably affected by changes in urinary pH within the physiologic range. Crystals in the urine usually form on the surface of a nidus that

allows nucleation, growth, and aggregation of a stone particle at much lower concentrations than would be required otherwise. Any source of uroepithelial damage (eg, infection, foreign body, or Randall plaques) can serve as a nidus. Randall plaques comprise calcium phosphate crystals, which originate in the basement membrane in the thin loops of Henle. As the crystals aggregate they fuse into plaques in the interstitium and finally extrude through the uroepithelium of the renal papillae. Here they form a nidus and are thought to be critical in the formation of most cases of idiopathic calcium oxalate Niclosamide calculi. As a result, calcium oxalate calculi, either as monohydrate (whewellite) or as dihydrate (weddellite), are often admixed with small amounts of calcium phosphate, which form the initial nidus of the stone. Stones comprising predominantly calcium phosphate (brushite) are less common and seem to originate from plugging of the inner medullary collecting ducts.14 Genitourinary anomalies (hydronephrosis, duplex ureter, posterior uretheral valves, and bladder exstrophy) are found in approximately 30% of children with urolithiasis.11 Functional or anatomic obstruction predisposes children to stone formation by promoting stasis of urine and infection.

Seventy-four thousand nine hundred ninety-two deaths occurred wit

Seventy-four thousand nine hundred ninety-two deaths occurred within 28 days of the date of upper gastrointestinal hemorrhage, giving an overall case fatality rate of 14.5% (95% confidence interval [95% CI]: 14.4%–14.6%). Of these, 10,977 deaths (15%) occurred after discharge from hospital but within 28 days of hemorrhage. Only

312 (3%) of postdischarge deaths were coded as a subsequent hospital admission within the HES dataset. The population characteristics for nonvariceal and variceal hemorrhage are shown in Table 1. The median age for nonvariceal bleeds was 71 years (interquartile range, 50–81 years) and, for variceal bleeds, was 55 years (interquartile range, 45–66 years). Forty-six percent of those presenting Alpelisib with nonvariceal hemorrhage had no comorbidity recorded, compared with 67% of those presenting with variceal hemorrhage after the exclusion of liver disease from the calculation of comorbidity. The population age structure and comorbidity varied over the study period (Figure 2) with a peak in the proportion of nonvariceal admissions over 80 Gefitinib research buy years old in 2002. This matched

the peak in case fatality in the same year (Table 1). There was a reduction over time in the proportion of those presenting with variceal hemorrhage who were less than 60 years old (Figure 2). The comorbidity for both groups increased over the study period. Median length of stay for nonvariceal hemorrhage was 4 days (interquartile range, 1–8 days) and for variceal hemorrhage was 7 days (interquartile range, 4–12 days). ALOX15 The length of stay reduced over the study period for nonvariceal hemorrhage from 4 (interquartile range, 2–8 days) to 3 (interquartile range, 1–6 days) (P < .001 nonparametric test for trend), but there was no reduction for variceal hemorrhage. The overall 28-day case fatality following a nonvariceal hemorrhage admission was 14% and, following a variceal hemorrhage admission, was 23% (Table 1). From 1999 to 2007,

the unadjusted 28-day mortality following nonvariceal hemorrhage reduced from 14.7% to 13.1% (unadjusted odds ratio [OR], 0.87; 95% CI: 0.84–0.90). The unadjusted mortality following variceal hemorrhage reduced from 24.6% to 20.9% (unadjusted OR, 0.81; (95% CI: 0.69–0.95). Twenty-eight-day mortality for an acute admission with hemorrhage reduced over the study period for nonvariceal hemorrhage from 11.3% to 9.3% (unadjusted OR, 0.81; 95% CI: 0.77–0.85) and, for variceal hemorrhage, from 21.3% to 17.3% (unadjusted OR, 0.77; 95% CI: 0.62–0.95). Twenty-eight-day mortality for cases with an inpatient hemorrhage also reduced over the study period, for nonvariceal hemorrhage from 20.0% to 18.4% (unadjusted OR, 0.91; 95% CI: 0.86–0.95) and, for variceal hemorrhage, from 32% to 29% (unadjusted OR, 0.88; 95% CI: 0.67–1.14).

The general specifications of these systems are summarized in Tab

The general specifications of these systems are summarized in Table 2; these have been included either because they were, as stated in each report, specifically designed for use in a high electrode count cortical visual prosthesis, retinal

prosthesis, or both. A key requirement for inclusion was that the performance of the inductive link must have been evaluated over a distance of ≥10 mm, which we consider as the likely minimum distance between the external coil and the cortical electrode arrays. Energy dissipated as heat by the implant remains a problem of concern. A high electrode count, continuous stimulation and the possibility of increasing current requirements if the electrode/tissue interface becomes impaired over time, all contribute to the potential for high power requirements and therefore greater temperature increases. Studies of focal and whole-brain heating over short periods (30 min), have shown that temperature rises up to 43 °C Copanlisib price can be tolerated without damage (Coffey et al., 2014 and Haveman et al., 2005). In the context of a cortical visual prosthesis,

stimulation is likely to be continuous over a period of hours, therefore the implant must remain at low temperatures to prevent tissue damage. There is little data on the damage to neural tissue resulting from Thiazovivin mw chronic, focal cortical hyperthermia, although some information is available from the literature on heating of tissue due to ultrasound exposure. O’Brien et al. (2008) reviewed the literature on thermal effects of ultrasound, including several studies on cat and rabbit brain. From these studies, a conservative temperature–time exposure boundary was produced, which suggests that increases in temperature of 2 °C above 37 can be safely tolerated for lengthy periods (up to 50 h). An important consideration in this context is the normal human brain temperature, which was found in a recent magnetic resonance spectroscopy study to vary regionally between 34.9 °C and 37.1 °C, and to not differ greatly from core body

temperature (Childs et al., Tenofovir in vitro 2007). The authors commented on some methodological contributions to the measured variation, however it is also known that a temperature gradient exists between cortical and subcortical regions, with cortical temperature typically being lower by up to 1 °C (Mellergard, 1995). Considering the previously-mentioned 39 °C limit (O’Brien et al., 2008), it would seem that the window of thermal safety may vary from one individual to another. Moreover, the stimulation itself may contribute to temperature changes via alterations in oxidative metabolism and cerebral blood flow (Yablonskiy et al., 2000), while increased cerebral blood flow will itself result in greater heat dissipation (Kim et al., 2007); therefore the accurate estimation of the likely temperature increase due to dense, patterned visual cortex stimulation is a complex task. Kim et al.

In elderly patients, treatment-related toxicities may lead to hig

In elderly patients, treatment-related toxicities may lead to higher incidences of treatment interruption, compared Torin 1 with younger patients [16]. It has also been suggested that elderly patients may have reduced acceptability of potential deteriorations in quality of life (e.g. changes driven by toxicity) compared with younger patients [17]. In this study, there was very little difference in the mean erlotinib daily dose and the duration of erlotinib administration

between each group. These results suggest that there was no significant deterioration of erlotinib tolerability in elderly patients, compared with younger patients. In spite of the lack of strict eligibility criteria in the present study, which included patients who might otherwise be excluded from standard prospective clinical trials, the median PFS reported for elderly patients in POLARSTAR was similar to that previously reported in the BR.21 study [7], and in the phase II studies of erlotinib in Japanese patients [8] and [9]. When older and younger patients were compared, the median PFS for older patients was slightly longer than that reported for their younger counterparts. The P value was exploratory

only, and therefore a significant difference was not claimed. However, this along with the median PFS data, served to confirm that there was no apparent reduction in the efficacy of erlotinib in elderly patients, compared with younger patients. Some clinical features (e.g. PS, history of gefitinib use) are see more thought to influence erlotinib efficacy. To investigate whether these factors had a bearing on the results seen in the efficacy analysis carried out in this study, subgroup analyses were performed for ECOG PS and history of gefitinib use. Similar results Etofibrate to the overall efficacy analyses were observed for younger and older patients in all subgroup analyses. In the POLARSTAR study, patients were of unknown EGFR mutation status. Previous

studies have demonstrated significant efficacy benefits and similar safety results for erlotinib-treated Japanese patients with NSCLC bearing an EGFR mutation, compared with patients with wild-type EGFR [18]. No prospective data evaluating erlotinib efficacy and safety in elderly patients with EGFR mutation-positive NSCLC (especially patients ≥75 years) are available. Some older patients in the POLARSTAR surveillance study were treated with erlotinib for long periods of time (some patients in each age group received erlotinib for 360 days or more), raising the possibility that some of these patients may have EGFR mutation-positive disease. These surveillance data suggest that, even in older patients with EGFR mutation-positive disease, erlotinib could be effective, tolerable, and administered over long periods of time. Overall, these analyses were supportive of the safety and efficacy of erlotinib in elderly (≥75 years) patients.

117 per 100 person-years (PY) The

incidence of DVT appea

117 per 100 person-years (PY). The

incidence of DVT appears Hormones antagonist to increase markedly with age.12 Heit et al13 found that institutionalization (current or recent hospitalization or nursing home residence) was independently associated with 21.72 odds (among those with recent surgery) and 7.98 odds (without recent surgery) of having VTE. In another study, Heit et al14 found that 59% of VTE cases in the community could be attributed to institutionalization: hospitalization for surgery accounted for 24%; hospitalization for medical illness 22%; and nursing home residence 13%. To facilitate risk assessment for the unique characteristics of nursing home residents, a literature-based long term care (LTC) risk stratification tool for VTE has recently been developed by Zarowitz et al.15 In the nursing home setting, 3 studies evaluated the incidence of VTE diagnosed during facility residence,16, 17 and 18 and 1 study evaluated prevalence of asymptomatic disease.19 Using Minnesota Case Mix Review Program (MCMRP) data for the period 1988 to 1994, Liebson et al16 found a crude incidence rate of 1.2 (95% confidence interval [CI]:

0.9–1.5) to 1.5 (95% CI: 1.1–1.9) cases per 100 PY. In the same study, analysis of a second database (Rochester Epidemiology Project of Olmstead County, MN, 1998–1994) revealed a crude incidence rate of 3.6 (95% CI: 3.0–4.2) cases per 100 PY.16 Gomes Everolimus order et al,17 compiling Minimum Data Set (MDS) and Medicare records for residents in Kansas for the period

1997 to 1998, found a crude VTE incidence rate of 1.30 events per 100 PY (95% CI: 1.10–1.51) when excluding warfarin users. Gatt et al18 evaluated VTE incidence for residents with a length of stay (LOS) of 3 months or longer in a nursing home in Jerusalem, Israel, during the period 1991 to 2001. The crude incidence rate of VTE was similar in both chronically immobilized and mobile cohorts: 1.39 and 1.58 per 100 PY, respectively (P = .77). 18 Arpaia et al19 recently concluded that “[d]ata on the frequency of VTE among nonacute patients nursed at home or in long term care residential homes are still scarce.” The 3-mercaptopyruvate sulfurtransferase current study updates earlier US research regarding the incidence of VTE events that occur during nursing home residence16 and 17 and introduces an analysis of the proportion of nursing home admissions that were coded for VTE. Data for this study were extracted for the data collection period January 1, 2007, to June 30, 2009, from the AnalytiCare longitudinal LTC database (www.analyticare.com). This database included MDS 2.0 assessments, pharmacy dispensing records, and resident characteristics from 181 nursing home facilities across 19 states (29% of facilities had 0–100 beds, 70% 101–200 beds, 1% >200 beds).

25, LSD = 5 5, P = 0 016; Fig 8a)

However there was a s

25, LSD = 5.5, P = 0.016; Fig. 8a).

However there was a significant relationship between total porosity and bacterial TRF richness ( Fig. 8b). Dilution treatment affected pore size in the bare soil and the AM planted soil but not statistically in the NM soil. Microbial richness/community composition had a different effect on pore size in the planted soils than in the bare soils. Planting generally increased pore size in soil amended BLZ945 cost with the 10−6 dilution but not in soil amended with the 10−1 (dilution × planting regime interaction, F2,35 = 22.18, LSD = 0.049, P < 0.001, Fig. 8c). The distance between pore spaces was less in the planted (NM and AM) soil than in the bare soil within macrocosms amended with the 10−1 dilution. In contrast, there was no statistically significant effect of plant roots on nearest neighbour distance in soils amended with the 10−6 dilution treatment even though there appeared to be a reduction in

nearest neighbour distance in the bare soil (dilution × planting regime interaction, F2,35 = 7.32, LSD = 0.046, P = 0.002, data not shown). The aim of the current investigation was to determine whether fungal and bacterial species richness would affect the development of soil structural properties (e.g. aggregate stability and pore size) over a 7-month period and establish whether changes in genetic composition would be brought about by the presence of roots (either mycorrhizal or non-mycorrhizal). Since the premise Epigenetic inhibitor chemical structure of the investigation was to quantify the relationship between biological richness and soil structural changes over

time, the soils were not pre-incubated prior to the start of the experiment. Therefore, microbial communities were allowed to develop during the course of the 7 month experiment either in the presence of mycorrhizal or non-mycorrhizal roots, or in unplanted soil, thereby allowing root associated changes in community development to be measured. Others, for example Griffiths et al. (2001) and Wertz et al. (2006), incubated soils for 9 or 4.8 months respectively to allow microbial communities to develop a similar biomass before biodiversity/function relationships were studied. In this investigation, the progression of soil structural development together with microbial compositional changes over time and in tandem with root development was characterised. Dilution CHIR-99021 cost led to compositional changes in the soil microbial community and these changes were modified by the presence of plant roots and duration of the experiment. Overall, dilution resulted in greater bacterial richness and this effect lasted for the longest period of time in the bare soil treatments, although bacterial richness was greater in 10−1 dilution amended soils which also contained mycorrhizal plants during months 3 and 5. The dilution treatment influenced bacterial TRF richness for up to 5 months depending on the planting regime but not thereafter.