Orlando Hung1, James McAlpine2, Michael Murphy2. 1. Departments of Anesthesia, Surgery, and Pharmacology, Queen Elizabeth II Health Sciences Centre, Dalhousie University, 1276 South Park St., 10 North, Rm 275, Halifax, NS, B3H 2H8, Canada. Hung192@gmail.com. 2. Department of Anesthesiology, Pain Management, and Perioperative Medicine, Dalhousie University, Halifax, Canada.