1. International Collaboration on Repair Discoveries, Department of Orthopedics, The University of British Columbia, Vancouver, British Columbia, Canada.
2. Department of Neurosurgery, Kyungpook National University Hospital, Kyungpook National University, Daegu, South Korea.
3. Department of Anesthesiology, Division of Critical Care Medicine, Vancouver General Hospital, The University of British Columbia, Vancouver, British Columbia, Canada.
4. Department of Medicine, Division of Critical Care Medicine, Vancouver General Hospital, The University of British Columbia, Vancouver, British Columbia, Canada.
5. Vancouver Spine Surgery Institute, Department of Orthopedics, The University of British Columbia, Vancouver, British Columbia, Canada.