1. Research Center Institut Universitaire de gériatrie de Montréal Montreal Quebec Canada
2. Psychology department Faculty of Arts and Science Université de Montréal Montreal Canada
3. Department of Psychiatry University of Washington Seattle Washington USA
4. Gérontopôle de Toulouse, CHU de Toulouse Toulouse France
5. Center for Epidemiology and Research in Population health (CERPOP) University of Toulouse Toulouse France
6. INSERM UMR1295 UPS Toulouse France
7. Department of Clinical Epidemiology and Public Health Toulouse University Hospital Toulouse France
8. Department of Public Health and Welfare, Finnish Institute for Health and Welfare (THL) Helsinki Finland