1. Faculty of Health Sciences, Ontario Tech University, Ontario, Canada.
2. Institute for Disability and Rehabilitation Research, Ontario Tech University and Canadian Memorial Chiropractic College (CMCC), Ontario, Canada.
3. Department of Medicine, University of British Columbia, British Columbia, Canada.
4. Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland.
5. University Spine Centre Zurich (UWZH), Balgrist University Hospital and University of Zurich, Zurich, Switzerland.
6. Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Ontario, Canada.
7. Department of Clinical Education and Patient Care, Canadian Memorial Chiropractic College, Ontario, Canada.
8. Department of Undergraduate Education, Canadian Memorial Chiropractic College, Ontario, Canada.
9. Department of Psychology, University of British Columbia, British Columbia, Canada.