1. Society for the Investigation of Early Pregnancy (SIEP) New York New York USA
2. Department of Obstetrics Gynecology & Reproductive Sciences University of Miami Miller School of Medicine Miami Florida USA
3. Department of Obstetrics and Gynecology Lindenhofgruppe Bern Switzerland
4. Department of Pediatrics Maastricht University Medical Centre (MUMC) Maastricht The Netherlands
5. Department of Biomedical Sciences Humanitas University Milan Italy
6. IRCCS Humanitas Research Hospital Milan Italy
7. Department of Obstetrics and Gynecology, School of Medicine University of Campinas Campinas São Paulo Brazil
8. The George Washington Milken Institute of Public Health Washington District of Columbia USA