1. Geriatric Medicine Research, Nova Scotia Health, Halifax, NS, Canada
2. Department of Medicine, Université de Sherbrooke, Sherbrooke, QC, Canada
3. Centre de Formation Médicale Du Nouveau-Brunswick, Université de Sherbrooke, Moncton, NB, Canada
4. Autonomic Cardiovascular Control and Exercise Laboratory, Division of Kinesiology, School of Health and Human Performance, Faculty of Health, Dalhousie University, Halifax, NS, Canada