1. 1University of British Columbia, Faculty of Pharmaceutical Sciences, Vancouver, BC, Canada.
2. 2Collaboration for Outcomes Research and Evaluation, Vancouver, BC, Canada.
3. 3Arthritis Research Canada, Vancouver, BC, Canada.
4. 4BC Cancer, Vancouver, BC, Canada.
5. 5Simon Fraser University, Faculty of Health Sciences, Burnaby, BC, Canada.
6. 6Division of Medical Oncology, Department of Medicine, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
7. 7Department of Surgery, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
8. 8St. Paul's Hospital, Vancouver, BC, Canada.
9. 9Centre for Health Evaluation and Outcome Sciences, Vancouver, BC, Canada.