1. Faculty of Nursing Sciences; Laval University; Quebec City; Canada
2. Division of Geriatric Medicine; Jewish General Hospital and Maimonides Geriatric Center
3. Département de Médecine Familiale; Institut Universitaire de Gériatrie de Montréal
4. Division of Geriatric Medicine; Centre Hospitalier de l'Université de Montréal and Department of Medicine; Université de Montréal; Montreal; Canada
5. St. Mary's Research Centre; St. Mary's Hospital; Montreal; Canada