1 Department of Family Medicine, Queen's University, Kingston, ON, Canada.
2 Department of Emergency Medicine, Queen's University, Kingston, ON, Canada.
3 Department of Internal Medicine, Queen's University, Kingston, ON, Canada.
4 Department of Surgery, Queen's University, Kingston Health Sciences Centre, Victory 3, 76 Stuart Street, Kingston, ON, K7L 2V7, Canada. nader.hanna@queensu.ca.