1. Melissa C. Bourbonniere, MSc(OT), OTR/L, is Occupational Therapist, Orthopedic and Neurological Rehabilitation Inc., Hayward, California
2. Dianne J. Russell, MSc, is Associate Professor, School of Rehabilitation Science and Research Coordinator, CanChild Centre for Childhood Disability Research, Institute for Applied Health Sciences, McMaster University, 1400 Main Street West, Room 408, Hamilton, Ontario, Canada L8S 1C7; russelld@mcmaster.ca
3. Charlie H. Goldsmith, PhD, is Professor of Biostatistics, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada, and Centre for Evaluation of Medicines, Father Sean O’Sullivan Research Centre, Hamilton, Ontario, Canada