1. Faculty of Kinesiology & Recreation Management, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
2. Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada.
3. Department of Physiology & Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E 0J9, Canada.