1. PL Loney, BHSc(PT), BA, is Master of Science Degree Candidate, Health Research Methods Program, McMaster University, Hamilton, Ontario, Canada
2. PW Stratford, PT, is Associate Professor, School of Rehabilitation Science, and Associate Member, Department of Clinical Epidemiology and Biostatistics, McMaster University. Address all correspondence to Mr Stratford at Faculty of Health Sciences, School of Rehabilitation Science, McMaster University, OT/PT Bldg T-16, 1280 Main St W, Hamilton, Ontario, Canada L8S 4K1