1. From the Dunedin School of Medicine, University of Otago, Dunedin, New Zealand (C.K.W.); Division of Public Health and Psychosocial Studies, Akoranga Campus, Auckland University of Technology, Auckland, New Zealand (W.G.); Green Lane Cardiovascular Service, Auckland City Hospital, Auckland, New Zealand (R.A.S., J.B., H.D.W.); Department of Cardiology, Liverpool Hospital, Sydney, Australia (J.K.F.); and Flinders Medical Centre, Adelaide, Australia (P.E.A.).