Evan Shao1, Himat Vaghadia2, Neil Ramsay2, Raymond Tang2, Andrew Sawka2. 1. Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada. evanshao@alumni.ubc.ca. 2. Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada.