1. Research Group on Gerontology and Geriatrics; University of Caldas; Manizales; Colombia
2. Département de médecine sociale et préventive Faculté de médecine; Université de Montréal; Montréal, Quebec; Canada
3. Centre Recherche du Centre Hospitalière Université de Montreal (CRCHUM); Montréal, Quebec; Canada
4. Department of Epidemiology and Community Health; Queen's University; Kingston, Ontario; Canada
5. Geriatric Medicine and Neuroscience; Queen s University; Kingston, Ontario; Canada