1 Eastern Heart Clinic, Prince of Wales Hospital, Sydney, NSW, Australia; Prince of Wales Clinical School, University of New South Wales, Sydney, NSW, Australia. Electronic address: Kevin.Liou@health.nsw.gov.au.
2 School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.
3 Eastern Heart Clinic, Prince of Wales Hospital, Sydney, NSW, Australia; Prince of Wales Clinical School, University of New South Wales, Sydney, NSW, Australia.
4 Cardiac Rehabilitation Unit, Prince of Wales Hospital, Sydney, NSW, Australia.