1. Department of Obstetrics, Gynecology & Reproductive Sciences, University of Vermont Medical Center, Burlington, VT, USA
2. Department of Reproductive Health and Research, UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), World Health Organization, Geneva, Switzerland
3. European Society of Human Reproduction and Embryology, Central Office, Grimbergen, Belgium
4. Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
5. Reproductive Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
6. Reproductive Medicine Unit, Department of Obstetrics & Gynaecology, Stellenbosch University, Cape Town, South Africa
7. Faculty of Medicine and Life Sciences, Hasselt University, Hasselt 3500, Belgium
8. Genk Institute for Fertility Technology, ZOL Hospitals, Genk 3600, Belgium