1. The School of Public Health; The University of Queensland; Brisbane Australia
2. Sexual and Reproductive Health Unit; Papua New Guinea Institute of Medical Research; Goroka Eastern Highlands Province Papua New Guinea
3. Kirby Institute; UNSW Australia; Sydney Australia
4. School of Public Health and Community Medicine; UNSW Australia; Sydney Australia
5. Alotau Provincial Hospital, Milne Bay Provincial Health Authority; Alotau Milne Bay Province Papua New Guinea
6. Department of Obstetrics and Gynaecology, School of Medicine and Health Sciences; University of Papua New Guinea; Port Moresby Papua New Guinea