Salsabila, K., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, School of Public Health and Preventive Medicine, Monash University, 3rd Floor, 553 St Kilda Road, Melbourne, VIC 3004, Australia; Toha, N.M.A., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, School of Public Health and Preventive Medicine, Monash University, 3rd Floor, 553 St Kilda Road, Melbourne, VIC 3004, Australia; Rundjan, L., Department of Child Health, Faculty of Medicine, Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Pattanittum, P., Department of Epidemiology and Biostatistics, Faculty of Public Health, Khon Kaen, Thailand; Sirikarn, P., Department of Epidemiology and Biostatistics, Faculty of Public Health, Khon Kaen, Thailand; Rohsiswatmo, R., Department of Child Health, Faculty of Medicine, Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Wandita, S., Department of Child Health, Dr Sardjito Hospital, Yogyakarta, Indonesia; Hakimi, M., Department of Obstetrics and Gynaecology, Gadjah Mada University, Yogyakarta, Indonesia; Lumbiganon, P., Department of Pediatrics, Khon Kaen University, Khon Kaen, Thailand; Green, S., School of Public Health and Preventive Medicine, Monash University, 3rd Floor, 553 St Kilda Road, Melbourne, VIC 3004, Australia; Turner, T., School of Public Health and Preventive Medicine, Monash University, 3rd Floor, 553 St Kilda Road, Melbourne, VIC 3004, Australia