1. Mechatronic Systems Engineering, Simon Fraser University, Surrey, British Columbia, Canada.
2. International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada.
3. Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada.
4. School of Engineering Science, Simon Fraser University, Burnaby, British Columbia, Canada.
5. University of California, Davis, California, USA.
6. Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, USA.
7. Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, California, USA.