1Department of Medicine, Lausanne University Hospital, Switzerland
2Department of Medicine, Le Mans Hospital, France
3Department of Medicine, Sir Mortimer B Davis-Jewish General Hospital and Lady Davis Institute for Medical Research, McGill University, Montreal, Quebec, Canada
4Department of Geriatric Medicine, McGill University, Montreal, Quebec, Canada
5Centre of Excellence on Aging and Chronic Diseases of McGill integrated University Health Network, Quebec, Canada