*School of Kinesiology, University of British Columbia, Vancouver, British Columbia, Canada;
†Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, Ontario, Canada;
‡SHSC Emergency Department, Toronto, Ontario, Canada;
§Department of Family Practice, University of British Columbia, Vancouver, British Columbia, Canada; and
¶Canadian Sport Institute Pacific—Vancouver Campus, Vancouver, British Columbia, Canada.
Corresponding Author: Michael S. Koehle, MD, PhD, Allan McGavin Sport Medicine Centre, School of Kinesiology, University of British Columbia, Vancouver, BC V6T 1Z1, Canada ([email protected]).
The authors report no conflicts of interest.
Received June 04, 2013
Accepted September 10, 2013