1. Michael G. DeGroote School of Medicine, Faculty of Health Sciences McMaster University Hamilton Ontario Canada
2. Health Information Research Unit, Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton Ontario Canada
3. Division of Emergency Medicine, Department of Medicine McMaster University Hamilton Ontario Canada
4. College of Veterinary Medicine Cornell University Ithaca New York USA
5. Department of Family and Community Medicine University of Toronto Toronto Ontario Canada
6. Division of Palliative Care, Department of Family Medicine McMaster University Hamilton Ontario Canada