1. Division of Preventive Medicine, Birmingham, Alabama, USA
2. Department of Pediatrics, Division of Pediatric Emergency Medicine, University of Alabama at Birmingham School of Medicine, Birmingham, Alabama, USA
3. School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, USA
4. Management and Development for Health, Dar es Salaam, Tanzania
5. Reproductive Health Cancer Unit, The United Republic of Tanzania, Ministry of Health, Community Development, Gender, Elderly and Children, Dar es Salaam, Tanzania
6. Division for Cancer Prevention and Research, Ocean Road Cancer Institute, Dar es Salaam, Tanzania