1. Department of Gynecology and Obstetrics; Johns Hopkins Hospital; Baltimore MD USA
2. Surgeons OverSeas; New York NY USA
3. Department of International Health; Bloomberg School of Public Health; Johns Hopkins University; Baltimore MD USA
4. Department of Surgery; Connaught Hospital; Freetown Sierra Leone
5. Department of Surgery; Columbia University; New York NY USA
6. Royal Tropical Institute; Amsterdam The Netherlands