1. Susan Wakil School of Nursing and Midwifery, Faculty of Medicine and Health, University of Sydney , Camperdown, New South Wales , Australia
2. Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney , Camperdown, New South Wales , Australia
3. Centre for Research in Nursing and Health, St George Hospital , South Eastern Sydney Local Health District, Kogarah, New South Wales , Australia
4. Department of Physical Therapy, University of Toronto , Toronto, Ontario , Canada
5. Cardiovascular Prevention and Rehabilitation Program, Toronto Rehabilitation Institute, University Health Network, University of Toronto , Toronto, Ontario , Canada
6. Cardiac Rehabilitation, Royal Prince Alfred Virtual Hospital , Sydney Local Health District, Camperdown, New South Wales , Australia