1. Lecturer, Department of Obstetrics and Gynaecology, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
2. Lecturer, Department of Obstetrics and Gynaecology, Muhimbili National Hospital, Dar es Salaam, Tanzania
3. Lecturer, Department of Epidemiology/Biostatistics, School of Public Health and Social Sciences, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania
4. Associate Professor, Department of Obstetrics and Gynaecology, Muhimbili University of Health and Allied Sciences (MUHAS), Dar es Salaam, Tanzania