[1] Univ Michigan, Ctr Int Reprod Hlth Training CIRHT, 300 North Ingalls St, Suite 947, Ann Arbor, MI 48108 USA
[2] Univ Rwanda, Kigali, Rwanda
[3] Univ Michigan, Sch Publ Hlth, Dept Epidemiol, Ann Arbor, MI 48105 USA
[4] Univ Michigan, PREPSS Prepublicat Support Serv, Ann Arbor, MI 48105 USA
[5] Univ Rwanda, Coll Med & Hlth Sci, Kigali, Rwanda
[6] Univ Rwanda, Sch Med & Pharm, Kigali, Rwanda
[7] Univ Michigan, Dept Obstet & Gynecol, Ann Arbor, MI 48105 USA