Funding for this research was provided by:
Centre Hospitalier Universitaire Vaudois
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (3247B0-120795/1)
University of Lausanne Department of Ambulatory Care and Community Medicine
Canton de Vaud Department of Public Health
City of Lausanne
Loterie Romande (research grant 2006-2008)
Lausanne University Faculty of Biology and Medicine (multidisciplinary research grant 2006)
Fondation Médecine Sociale et Préventive, Lausanne
Text and Data Mining valid from 2019-01-16
Accepted: 10 January 2019
First Online: 16 January 2019
Compliance with ethical standards
: The authors have no conflict of interest to declare.
: All procedures were in accordance with the ethical standards of the local Ethics Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.