1. Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada.
2. International Collaboration On Repair Discoveries (ICORD), Department of Medicine, University of British Columbia (UBC), Vancouver, British Columbia, Canada.
3. Department of Zoology, University of British Columbia (UBC), Vancouver, British Columbia, Canada.
4. Department of Surgery, University of British Columbia (UBC), Vancouver, British Columbia, Canada.
5. GF Strong Rehabilitation Centre, Vancouver, British Columbia, Canada.
6. Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia (UBC), Vancouver, British Columbia, Canada.