1. S Ahmed, MSc, BSc (PT), is a doctoral student in the Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada
2. NE Mayo, PhD, BSc (PT), is Quebec Senior Research Scientist, Royal Victoria Hospital, Montreal, Quebec, Canada, and Associate Professor, Faculty of Medicine, School of Physical and Occupational Therapy, McGill University
3. J Higgins, MSc, BSc (OT), is a doctoral student in the School of Physical and Occupational Therapy, Faculty of Medicine, McGill University
4. NM Salbach, MSc, BSc (PT), is a doctoral student in the Department of Epidemiology and Biostatistics, McGill University
5. L Finch, MSc, BSc (PT), is a doctoral student in the School of Physical and Occupational Therapy, Faculty of Medicine, McGill University. She was Physical Therapist, Royal Victoria Hospital, at the time of this study
6. SL Wood-Dauphinée, PhD, BSc (PT), is Professor, School of Physical and Occupational Therapy, and Professor, Faculty of Medicine, Department of Epidemiology and Biostatistics, McGill University