315
Participants
Start Date
November 30, 2007
Primary Completion Date
June 30, 2011
Study Completion Date
June 30, 2011
self-report questionnaire
validated self-report questionnaires on psychosocial determinants
University Hospitals Gasthuisberg, Leuven
Fund for Scientific Research, Flanders, Belgium
OTHER
University Hospital, Gasthuisberg
OTHER