1. Department of Medicine, School of Physical and Occupational Therapy, McGill University, Division of Clinical Epidemiology
2. Division of Geriatrics, McGill University Health Center Royal Victoria Hospital Site, Ross Pavilion R4.29, 687 Pine Ave W, Montreal, QC, H3A 1A1. Tel. (514) 934 1934 36922, FAX (514) 843 1493,