1 Department of Medicine, Division of Geriatric Medicine, Sir Mortimer B. Davis-Jewish General Hospital, Lady Davis Institute for Medical Research, McGill University, Montreal, Quebec, Canada.
2 Dr. Joseph Kaufmann Chair in Geriatric Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
3 Centre of Excellence on Aging and Chronic Diseases, McGill Integrated University Health Network, Montreal, Quebec, Canada.
4 Department of Neurology, Geneva University Hospital and University of Geneva, Geneva, Switzerland.