Sentence examples for data were ascertained through from inspiring English sources
Demographic and socioeconomic data were ascertained through a structured questionnaire.
Socio-demographic, household income, and comorbidity data were ascertained through the telephone interview.
Recurrence and survival data were ascertained through the Rhode Island Tumor Registry and Rhode Island Hospital chart review.
All data were ascertained through the Hawaii Tumor Registry (HTR), which provides population-based coverage of all newly diagnosed cancer cases and subsequent follow-up status for residents of Hawaii.
Cancer information was ascertained through the National Cancer Institute's (NCI's) Surveillance, Epidemiology and End Results (SEER) program and linked to MHOS data.
The VM training dataset was formed by randomly selecting 4/5 of the AMD cases (n = 349) and 4/5 of the controls (n = 216) with complete risk factor data, who were ascertained through ophthalmology clinics at Vanderbilt and Duke University Medical Centers.
Data on mortality status were ascertained through death certificates completed by local physicians, validated by specific staff, and archived (electronic data) with the local CDC.
All patients received regular follow-ups and survival data as of March 2005 were ascertained through the patients' records.
Smoking history was self-reported at baseline; newly diagnosed BCCs and SCCs were ascertained through data linkage and verified by histopathology reports.
