1. Sexual and Reproductive Health Unit, Papua New Guinea Institute of Medical Research, Goroka, Eastern Highlands Province, Papua New Guinea
2. Kirby Institute for Infection and Immunity in Society, UNSW Sydney, Kensington, NSW, Australia
3. Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, Australia
4. School of Sociology, The Australian National University, Canberra, ACT, Australia
5. UCL Centre for Gender and Global Health, London, UK
6. Department of Obstetrics and Gynaecology, University of Papua New Guinea, Waigani, Papua New Guinea