Institution: | (1) Division of Geriatric Medicine, Department of Medicine, Dalhousie University, 1421-5955 Veterans Memorial Lane, B3H 1C6 Halifax, Nova Scotia, Canada;(2) Department of Public Health Policy, London School of Hygiene and Tropical Medicine, London, UK;(3) Division of Infectious Disease, Department of Medicine, Dalhousie University, Halifax, Canada;(4) Clinical Trials Research Centre, Dalhousie University, Halifax, Canada |