1. Department of Geriatrics, Gérontopôle, CHU Toulouse, Purpan University Hospital, Toulouse, France
2. Department of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, China
3. NSGG, Kathmandu, Nepal
4. Department of Epidemiology and Public Health, CHU Toulouse, Toulouse, France
5. INSERM, UMR1027, Université de Toulouse, UPS, Toulouse, France
6. Fondazione IRCCS Ca’ Granda - Ospedale Maggiore Policlinico, Università di Milano, Milan, Italy