| Country |
Centre |
Principal investigator |
| ARGENTINA |
CEGYR |
Carlos Sueldo |
| BELGIUM |
University of Leuven |
Thomas D'Hooghe |
| BRAZIL |
Centro de Reprodução Humana de Campinas |
Carlos Petta |
| Clinica Medicina da Mulher, Sao Paulo |
Mauricio Abrao |
| CHINA |
Guangdon Provincial Hospital |
Xu Min |
| Shanghai Obstetrics and Gynaecology Hospital |
Xishi Liu |
| DENMARK |
Rigshospitalet |
Jens Jørgen Kjer |
| EGYPT |
Assiut University Hospital |
Hany Abdel-Aleem |
| FRANCE |
University of Clermont-Ferrand |
Michel Canis |
| GERMANY |
Medizinische Hochschule, Hanover |
Iris Brandes |
| KEZ, Berlin |
Gülden Halis |
| GUATEMALA |
CRC Guatemala City |
Luis Lombardi |
| HUNGARY |
Semelweis University Hospital |
Attila Bokor |
| IRELAND |
National Maternity Hospital, Dublin |
Mary Wingfield |
| ITALY |
Universita Cattolica del Sacro Cuore, Roma |
Fiorenzo De Cicco |
| University of Siena |
Felice Petraglia |
| University of Milano |
Paolo Vercellini |
| NETHERLANDS |
University of Maastricht |
Gerard Dunselman |
| NIGERIA |
University of Ibadan |
Bukola Fawole |
| SPAIN |
University of Barcelona |
Francesco Carmona |
| SWITZERLAND |
University Hospital of Bern |
Michell Müller |
| UK |
University of Edinburgh |
Andrew Horne |
| University of Oxford |
Krina Zondervan |
| USA |
Brigham & Women's Hospital |
Stacey Missmer |
| Cleveland Clinic |
Tommaso Falcone |
| Fertility Physicians of Northern Calfornia (Palo Alto) |
David Adamson |
| National Institues of Health (Washington DC) |
Pamela Stratton |
| University of California San Francisco |
Linda Giudice |
| University of Wisconsin-Madison |
Dan Lebovic |
| THAILAND |
Khon Kaen University |
Kanok Seejorn |
