1. Department of Reproductive Medicine, Academic Endometriosis Center, Amsterdam University Medical Center – Location VUmc, Amsterdam, the Netherlands
2. Department of Epidemiology & Biostatistics, Amsterdam University Medical Center – Location VUmc, Amsterdam, the Netherlands
3. Robinson Research Institute, University of Adelaide, North Adelaide, Australia
4. Repromed Auckland and Auckland Gynaecology Group, Auckland, New Zealand
5. The University of Auckland, Auckland, New Zealand
6. Department of Reproductive Medicine, Ghent University Hospital, Gent, Belgium
7. Department of Reproductive Medicine, OLVG, Amsterdam, the Netherlands
8. Department of Reproductive Medicine, Isala, Zwolle, the Netherlands
9. Department of Obstetrics and Gynaecology, Monash University, Clayton, Australia