1. Gérontopôle, Centre Hospitalier Universitaire de Toulouse, France
2. Université de Toulouse III Paul Sabatier, France
3. Geriatric Unit, Fondazione IRCCS Ca’ Granda - Ospedale Maggiore Policlinico, Milano, Italy
4. Department of Clinical Sciences and Community Health, Università di Milano, Italy
5. Department of Ageing and Life Course, World Health Organization, Geneva, Switzerland
6. Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, United Kingdom
7. Division of Health and Social Care Research, King’s College, London, United Kingdom
8. Department of Public Health, Epidemiology and Health Economics, University of Liege, Belgium