We propose an alternative strategy that does not require ascertainment of global network structure, namely, simply monitoring the friends of randomly selected individuals.
We therefore explore a novel, alternative strategy that does not require ascertainment of global network structure, namely, monitoring the friends of randomly selected individuals.
Location-scale models require ascertainment of a data-appropriate parametric function for the hazard rate; to estimate survival with a Cox model, it is necessary to (non-parametrically) estimate baseline hazard.
An adaptive vaccination strategy requires rapid ascertainment of cases, hospitalizations and/or deaths, to help identify high risk age groups for prioritization of vaccine and other pharmaceutical interventions, including antivirals and antibiotics [42], [43].
This research requires clinical ascertainment of BMI and nondiabetic status at baseline, followed by periodic reascertainment for a defined follow-up period or until diabetes is diagnosed.
This requires complete ascertainment of cases within a defined population, as well as the application of appropriate disease classifications, and it is the attainment of these two key components that continues to beleaguer epidemiological research into the haematological malignancies (National Institute for Clinical Excellence, 2003; Sant et al, 2009, 2010).
Not a single study has measured the duration of disease directly, as this would require an exhaustive ascertainment of incident cases as well as a follow-up to either death, which is easy to establish, or cure, which is more difficult to establish, while withholding treatment, at least for some time.
As expected, the average coverage for each amplicon decreased when trimmed sets were used, although it was still much higher than the one required for confident ascertainment of heterozygous genetic variations, estimated by others to be approximately in the range of 10- to 40-fold [6], [7], [10], [11].
The current VA questionnaire is taken from the recommended WHO tool (18), although previous versions were very similar, and included the same questions on signs and symptoms required for the ascertainment of cause of death.
The tools required include careful ascertainment of sexual history and behavioral determinants and reproducible and discriminating biomarkers to strengthen the case for transmission between sex partners linked by partner tracing.
For the given spatial resolution and area covered by the dataset, about 16,000 stations would be required for an accurate ascertainment of meteorological conditions (Haylock et al., 2008).
