1. Department of Family Medicine, Faculty of Health Sciences, Simone Veil University of Versailles Saint‐Quentin‐en‐Yvelines France
2. Centre for Research in Epidemiology and Population Health, the French National Institute of Health and Medical Research (INSERM U 1018) University of Versailles, Saint‐Quentin‐en‐Yvelines, University Paris‐Sud Villejuif France