1. Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada;
2. Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, Canada;
3. CanChild Centre for Childhood Disability Research, Master University, Hamilton, Canada;
4. Centre for Disability and Development Research, Australian Catholic University, and Murdoch Childrens Research Institute, Melbourne, Australia;
5. School of Rehabilitation Science, McMaster University, Hamilton, Canada;
6. School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Canada