1. Sexual and Reproductive Health Unit, PNG Institute of Medical Research, Goroka, Papua New Guinea
2. Children and Families Team, National Centre for Social Research, London, UK
3. Kirby Institute, UNSW Sydney, Sydney, Australia
4. Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
5. School of Sociology, The Australian National University, Australia
6. Centre for Gender and Global Health, UCL, London, UK
7. School of Social Sciences, Western Sydney University, Penrith, Australia