1. Department of Obstetrics, Gynecology and Reproductive Sciences University of California, San Francisco San Francisco California USA
2. Department of Obstetrics and Gynecology Division of Ultrasound University of the Philippines ‐ Philippine General Hospital Manila Philippines
3. Department of Obstetrics and Gynecology Johns Hopkins Health System Washington District of Columbia USA
4. Obstetrix Medical Group/Mednax (Maternal‐Fetal Medicine) Campbell California USA
5. Department of Obstetrics, Gynecology and Reproductive Sciences Division of Maternal Fetal Medicine Program on Reproductive Health and the Environment Environmental Research and Translation for Health (EaRTH) Center University of California, San Francisco San Francisco California USA
6. Departments of Anatomy Clinical Epidemiology and Public Health International University of Santo Tomas Manila Philippines
7. Program on Reproductive Health and the Environment Environmental Research and Translation for Health (EaRTH) Center University of California, San Francisco San Francisco California USA
8. FIGO London UK