1. Department of Obstetrics and Gynecology, Mbarara University of Science and Technology, P.O BOX 1410, Mbarara, Uganda +256
2. Massachusetts General Hospital and Harvard Medical School, 125 Nashua St, Suite 722, Boston, MA 02114, USA
3. Global Health Institute, University of Antwerp, Wilrijkstraat 10; 2650 Edegem, Antwerp, Belgium
4. Mbarara University of Science and Technology, P.O BOX 1410, Mbarara +256, Uganda