1. Department of Public Health and Tropical Medicine, College of Public Health, Medical and Veterinary Sciences, James Cook University , Bebegu Yumba Campus, 1 James Cook Dr, Townsville, Queensland 4811 , Australia
2. Faculty of Medicine, University of Mataram , Jalan Pemuda Nomor 37, Mataram, West Nusa Tenggara 83127 , Indonesia
3. Research, Policy and Advocacy, Royal Life Saving Society—Australia , Suite 6, Level 4, 173-179 Broadway (Cnr Mountain St), Broadway, Sydney, New South Wales 2007 , Australia