1. Center for International Reproductive Health Training, University of Michigan, Ann Arbor, Michigan;
2. Department of Epidemiology, University of Michigan School of Public Health, PREPSS (Pre-Publication Support Service), Ann Arbor, Michigan;
3. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan;
4. Department of Medical Microbiology and Immunology, Faculty of Medicine, Gulu University, Gulu, Uganda;
5. Department of Nursing and Midwifery, Lira University, Lira, Uganda;
6. Department of Reproductive Health, Faculty of Medicine, Gulu University, Gulu, Uganda