1. Centre for International Child Health, Murdoch Children’s Research Institute, Royal Children’s Hospital Melbourne, University of Melbourne, Parkville VIC, Australia;
2. Reproductive and Child Health Department, Ministry of Health and Medical Services, Honiara, Solomon Islands;
3. Department of Obstetrics and Gynaecology, National Referral Hospital, Honiara, Solomon Islands;
4. Nossal Institute for Global Health, School of Population and Global Health, University of Melbourne, Parkville VIC, Australia;
5. Department of Paediatrics, University of Melbourne, Parkville VIC, Australia