1 Maternal, Child and Adolescent Health Program, Burnet Institute, Melbourne, VIC, Australia; Centre for Adolescent Health, Population Health Theme, Murdoch Children's Research Institute, Royal Children's Hospital and Department of Paediatrics, The University of Melbourne, Melbourne, VIC, Australia. Electronic address: peter.azzopardi@burnet.edu.au.
2 Gender and Women's Health Unit, Centre for Health Equity, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia.
3 Centre for Adolescent Health, Population Health Theme, Murdoch Children's Research Institute, Royal Children's Hospital and Department of Paediatrics, The University of Melbourne, Melbourne, VIC, Australia.
4 East Asia and Pacific Regional Office, UNICEF, Bangkok, Thailand.
5 Maternal, Child and Adolescent Health Program, Burnet Institute, Melbourne, VIC, Australia.