Douptcheva Nedialka, Gmel Gerhard, Studer Joseph, Deline Stéphane, Etter Jean-François
Faculty of Medicine, Institute of Social and Preventive Medicine, University of Geneva, , Geneva, Switzerland.
J Epidemiol Community Health. 2013 Dec 1;67(12):1075-6. doi: 10.1136/jech-2013-203152. Epub 2013 Aug 28.