1. Deakin Health Economics, Faculty of Health, Deakin University, 221 Burwood Highway, Melbourne, VIC 3125, Australia
2. Clinical Sciences, Umeå University, 90187 Umeå, Sweden
3. WHO Collaborating Centre for Obesity Prevention, Faculty of Health, Deakin University, 221 Burwood Highway, Melbourne VIC 3125, Australia
4. Pacific Research Centre for the Prevention of Obesity and Non-Communicable Diseases (C-POND), Fiji School of Medicine, College of Medicine, Nursing and Health Sciences, Fiji National University, Suva, Fiji