1. Equal3 Fertility, Reproductive Endocrinology and Infertility, Cupertino , U.S.A.
2. Groote Schuur Hospital and University of Cape Town., Obstetrics and Gynaecology , Cape Town, South Africa
3. Universidad Diego Portales, Program of Ethics and Public Policies in Human Reproduction , Santiago, Chile
4. University of New South Wales, National Perinatal Epidemiology and Statistics Unit NPESU , Sydney, Australia
5. French Institute of Health and Medical Research, Inserm , Paris, France
6. Kagawa Nutrition University, Department of Obstetrics and Gynaecology , Saitama, Japan
7. Ludwig-Maximilian University, Fertility Center – Gynaekologicum- Hamburg, Hamburg , Germany
8. Johns Hopkins University School of Medicine, Division of Reproductive Endocrinology and Infertility, Baltimore , U.S.A.
9. Nova IVI Fertility, Reproductive Medicine , Ahmedabad, India
10. Zagazig University, Obstetrics and Gynecology , Zagazig, Egypt
11. National Center for Women and Children's Health- China CDC, ART Management Department , Beijing, China
12. Saitama Medical University, Obstetrics and Gynecology , Saitama, Japan