1. UMR1027, Inserm, 31073 Toulouse, France
2. UMR1027, University of Toulouse III, 31073 Toulouse, France
3. Medical Information Department, University Hospital of Toulouse, 31059 Toulouse, France
4. Département d’Information Médicale, Hôtel-Dieu Saint-Jacques, 2 rue Viguerie, TSA 80035, 31059 Toulouse Cedex 9, France
5. LIRAES, University of Paris Descartes, 75005 Paris, France
6. Department of Geriatric Medicine, University Hospital of Toulouse, Gérontopôle of Toulouse, 31059 Toulouse, France
7. Department of Epidemiology and Public Health, University Hospital of Toulouse, 31059 Toulouse, France
8. EDISS, University of Lyon I, 69100 Villeurbanne, France