aThe George Institute for Global Health, University of New South Wales

bConcord Repatriation General Hospital, Sydney

cMacquarie Medical School, Macquarie University, Sydney, NSW

dDobney Hypertension Centre, Medical School, Royal Perth Hospital Unit, University of Western Australia, Perth, Australia

Correspondence to Aletta E. Schutte, Professor, School of Population Health, University of New South Wales, Kensington Campus, High Street, Sydney, NSW 2052, Australia. Tel: +61 450 315 918; e-mail: [email protected]