1. Drug and Alcohol Services South Eastern Sydney Local Health District Sydney NSWAustralia
2. School of Public Health and Community Medicine University of New South Wales Sydney NSWAustralia
3. Pain Management Centre Prince of Wales Hospital Randwick NSWAustralia
4. Prince of Wales Clinical School University of New South Wales Sydney NSWAustralia
5. MotherSafe The Royal Hospital for Women Randwick NSWAustralia
6. School of Women's and Children's Health University of New South Wales Sydney NSW Australia
7. Department of Pain Medicine Singapore General Hospital Singapore Singapore
8. University of New South Wales Sydney NSWAustralia
9. Women's Health and Research Institute of Australia Sydney NSW Australia