1. Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada;
2. Glenrose Rehabilitation Hospital, Edmonton, Alberta, Canada;
3. UMC Utrecht Brain Center and Center of Excellence for Rehabilitation Medicine, Utrecht University, Utrecht, The Netherlands;
4. School of Public Health, University of Alberta, Edmonton, Alberta, Canada;
5. Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada