1. Department of Obstetrics and Gynecology, Rwanda Military Hospital, Kigali, Rwanda
2. Department of Obstetrics and Gynecology, University Teaching Hospital of Kigali, Kigali, Rwanda
3. School of Medicine and Pharmacy, University of Rwanda, Kigali, Rwanda
4. Department of Data Management Monitoring and Evaluation, Team Heart, Kigali, Rwanda
5. Maternofetal Medicine, Duke University, Durham, NC, USA