1. Walter Sisulu University, University of Fort Hare, University of the Witwatersrand, Eastern Cape Department of Health; East London South Africa
2. Effective Care Research Unit; Department of Obstetrics and Gynaecology; Frere Maternity Hospital Amalinda Drive East London Eastern Cape South Africa 5200
3. World Health Organization; UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Reproductive Health and Research; 20 Avenue Appia Geneva Switzerland 1211