Darmaputra, D.C., Faculty of Medicine, University of Indonesia, Jakarta, Indonesia, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia; Zaman, F.Y., Department of General Medicine, The Alfred Hospital, Melbourne, VIC, Australia; Khu, Y.L., Department of General Medicine, The Alfred Hospital, Melbourne, VIC, Australia; Nagalingam, V., Department of General Medicine, The Alfred Hospital, Melbourne, VIC, Australia; Liew, D., School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia, Department of General Medicine, The Alfred Hospital, Melbourne, VIC, Australia; Aung, A.K., School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia, Department of General Medicine, The Alfred Hospital, Melbourne, VIC, Australia