1 Department of Exercise Physiology, School of Medical Sciences, University of New South Wales, Sydney, Australia. Electronic address: andrew.keech@unsw.edu.au.
2 School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria, Australia; Exercise Physiology and Cardiovascular Health Lab, Division of Prevention and Rehabilitation, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
3 Cardiac Rehabilitation, Prince of Wales Hospital, Sydney, Australia.
4 Department of Cardiology, Prince of Wales Hospital and the Prince of Wales Clinical School, University of New South Wales, Sydney, Australia.