Marie-Jo Plamondon1,2, Xiao Xu Cathy Chen3,4. 1. Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada. mplamondon@toh.ca. 2. The Ottawa Hospital, Ottawa, ON, Canada. mplamondon@toh.ca. 3. Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada. 4. The Ottawa Hospital, Ottawa, ON, Canada.