1. Departments of Obstetrics and Gynecology, College of Medicine, University of the Philippines Manila
2. Institute of Child Health and Human Development, National Institutes of Health, University of the Philippines Manila
3. Departments of Molecular Biology and Biochemistry, College of Medicine, University of the Philippines Manila
4. Department of Virology, Research Institute for Tropical Medicine, Muntinlupa, Philippines
5. Department of Obstetrics and Gynecology, Jose R. Reyes Memorial Medical Center
6. Department of Obstetrics and Gynecology, Dr. Jose Fabella Memorial Hospital
7. Department of Internal Medicine, Ospital Ng Maynila Medical Center
8. Department of Obstetrics and Gynecology, Justice Jose Abad Santos General Hospital
9. Department of Obstetrics and Gynecology, Sta. Ana Hospital
10. College of Medicine, University of the Philippines Manila
11. Department of Health Policy and Administration, College of Public Health, University of the Philippines Manila
12. Institute of Clinical Epidemiology, National Institutes of Health, University of the Philippines Manila, Manila
13. Clinical Epidemiology, College of Medicine, University of the Philippines Manila
14. Pharmacology and Toxicology, College of Medicine, University of the Philippines Manila