1. Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
2. Manitoba Centre for Health Policy, University of Manitoba, Winnipeg, Manitoba, Canada
3. Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital, Boston, Massachusetts
4. Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
5. Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Stanford, California