This makes it difficult to ascertain timing and causality.
Method 1 was based on the approach used in HPTN 039 [ 22], allowing adherence up to 105 % for each interval, due to imprecision in being able to ascertain timing of last dose with twice-daily dosing.
Given the difficulty in ascertaining timing of occurrence of maternal disorder, women were classified as having ever (up to child age 7 years) experienced anorexia nervosa, bulimia nervosa or both conditions.
Investigators at the Revel, trying to discover who had taken the video, ascertained its timing by scrutinizing the clip's audio track; while the phone was recording the footage, a general request for chips to be refilled could be heard on the casino intercom.
In an attempt to ascertain the timing and strength of apoptosis, a time course transfection study using HEK293T cells was undertaken on all 10 genes, a positive control STS and a mock transfected negative control at 12, 24, 36, 48 and 60 hours following transfection.
Though in this study we cannot ascertain the timing of infection in cases, but in comparison to controls they definitely had a heightened immune response against EBNA-1.
Third, we were unable to ascertain the timing of x-rays in relation to a dialysis run or to dry weight.
Without longitudinal biomarker evidence to ascertain the timing of amyloid deposition, it is uncertain how long amyloid deposits have been present in the brains of individuals with pathological aging.
However, it is impossible to ascertain the timing of either injury or arrest relative to ECLS initiation from the registry, or to be able to speculate whether earlier use of ECLS would have prevented cardiopulmonary arrest in registry patients.
Standard preprocessing of rsfMRI data included (1) discarding the first four volumes of each run to ascertain T1-equilibrium, (2) slice timing correction, (3) head motion correction with FSL, 29 (4) removal of constant offset and linear trend per run, (5) low-pass filtering below 0.08 Hz, (6) regressing out of six motion parameters, average signal of the whole brain, ventricles, and white matter.
