1. St. Michael's Hospital; Department of Medicine, Division of Gastroenterology; 30 Bond St. Therapeutic Endoscopy Unit, 16th floor, Cardinal Carter North Toronto ON Canada M5B 1W8
2. McMaster University; Department of Health Research Methods, Evidence, and Impact; Hamilton ON Canada
3. McMaster University; Department of Medicine, Division of Gastroenterology; 1280 Main Street West Room HSC 3N51 Hamilton ON Canada L8S 4K1
4. McMaster Clinic; Thrombosis Service; HHS - General Hospital 237 Barton Street East Hamilton ON Canada L8L 2X2