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. Department of Physical Therapy and Rehabilitation Sciences, Drexel University, Philadelphia, PA, U.S.A;
4. Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada;
5. Oakland University, Rochester, MI, U.S.A;
6. Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada;
7. School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia