1. McGill University; Department of Kinesiology and Physical Education; 475 Pine Avenue W Currie Gym Office A208 Montreal Quebec Canada H2W 1S4
2. McMaster University; School of Rehabilitation Science; 1400 Main Street West Room 403 Hamilton ON Canada L8S 4L8
3. University of Waterloo; Department of Kinesiology; 200 University Ave W Waterloo ON Canada N2L 3G1
4. McMaster University; Department of Clinical Epidemiology and Biostatistics; 50 Charlton Ave E Room H325, St. Joseph's Healthcare Hamilton ON Canada L8N 4A6
5. McMaster University; Department of Medicine; Hamilton Health Sciences P.O. Box 2000, Chedoke Wilcox, 2nd Floor Hamilton ON Canada L8N 3Z5
6. Schlegel-UW Research Institute for Aging; Waterloo ON Canada