1. Department of Obstetrics and Gynecology, SekouTouré Regional Referral Hospital, Mwanza, United Republic of Tanzania
2. Department of Obstetrics and Gynecology, Bugando Medical Centre, Catholic University of Health and Allied Sciences, Mwanza, United Republic of Tanzania
3. Department of Clinical Research, National Institute for Medical Research, Mwanza Research Centre, Mwanza, United Republic of Tanzania