1. Cognitive and Functional Learning Laboratory, Physical Activity Promotion and Chronic Disease Prevention Unit, School of Kinesiology, University of British Columbia, Unit II Osborne Centre, 6108 Thunderbird Boulevard, Vancouver, BC V6T 1Z3, Canada.
2. Cardiovascular Physiology and Rehabilitation Laboratory, Physical Activity Promotion and Chronic Disease Prevention Unit, University of British Columbia, Unit II Osborne Centre, 6108 Thunderbird Boulevard, Vancouver, BC V6T 1Z3, Canada.