1. Institute of Demography and Socioeconomics, University of Geneva, Geneva, Switzerland
2. Swiss NCCR “LIVES - Overcoming Vulnerability: Life Course Perspectives”, University of Geneva, Geneva, Switzerland
3. Department of General Internal Medicine, Rehabilitation and Geriatrics, University of Geneva, Geneva, Switzerland
4. Centre for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, Geneva, Switzerland
5. Department of Epidemiology and Public Health, International Centre for Life Course Studies in Society and Health, University College London, London, UK
6. Department of Physical Therapy, University of British Columbia, Vancouver, BC, Canada
7. Department of Movement Sciences, KU Leuven, Leuven, Belgium
8. Unit of Population Epidemiology, Department of Community Medicine, Primary Care and Emergency Medicine, Geneva University Hospitals, Geneva, Switzerland