1. Department of Geriatrics, AP-HP North, Bichat, Beaujon and Bretonneau Hospitals , Paris, France
2. Health Faculty, Medical School, University of Paris , Paris, France
3. Gérond’if , Paris, France
4. Department of Geriatrics, AP-HP Center, Broca Hospital , Paris, France
5. Prévention Retraite Ile-de-France , Gentilly, France
6. Caisse Nationale Assurance Vieillesse , Paris, France