1. Obstetric High Complexity Unit Fundación Valle del Lili Cali Colombia
2. Department of Obstetrics and Gynecology School of Medicine Universidad Icesi Cali Colombia
3. Department of Obstetrics and Gynecology American University of Beirut Medical Center Beirut Lebanon
4. Department of Obstetrics and Gynecology Faculty of Medicine and Health Sciences Stellenbosch University Stellenbosch South Africa
5. Tygerberg Hospital Cape Town South Africa
6. Society for Investigation or Early Pregnancy (SIEP) New York New York USA
7. Department of Obstetrics and Gynecology University of North Carolina Chapel Hill North Carolina USA
8. Center of Obstetrics and Gynecology Vilnius University Medical Faculty Vilnius Lithuania
9. Department of Obstetrics and Gynecology Universidad de Panamá Panama City Panamá
10. Hospital Santo Tomas Panama City Panamá
11. Department of Obstetrics and Gynecology St George’s University Hospitals NHS Foundation Trust London UK
12. Department of Obstetrics, Gynecology and Reproductive Sciences University of California San Francisco California USA
13. Division of Global Health and Human Rights Massachusetts General Hospital Department of Emergency Medicine Harvard Medical School Boston Massachusetts USA
14. Harvard T.H. Chan School of Public Health Boston USA
15. Department of Obstetrics and Gynecology Federal University of Minas Gerais Belo Horizonte Brazil