1. Alberta Health Services, Central Zone East, Children's Rehabilitation Services, Camrose, Alberta, Canada;
2. Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada;
3. Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada;
4. Women and Children's Research Institute, Edmonton, Alberta, Canada; and
5. Department of Occupational Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada.