1. School of Kinesiology, University of British Columbia, Vancouver, British Columbia, Canada;
2. Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada; and
3. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada;
4. Environmental Medicine and Physiology Unit, Faculty of Science, Simon Fraser University, Burnaby, British Columbia, Canada;
5. Division of Sport Medicine, Department of Family Practice, Vancouver, British Columbia, Canada