1. Sherrilene Classen, PhD, MPH, OTR/L, is Professor and Director, School of Occupational Therapy, Elborn College, Western University, London, Ontario N6A 5B9 Canada. At the time of the study, she was Director, Institute for Mobility, Activity and Participation, and Associate Professor, Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida, Gaines
2. Miriam Monahan, MS, OTR/L, CDRS, is Adjunct Scholar, Institute for Mobility, Activity and Participation, College of Public Health and Health Professions, University of Florida, Gainesville, and Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida
3. Yanning Wang, MS, is Research Assistant, Department of Epidemiology, College of Public Health and Health Professions, University of Florida, Gainesville