1. University of the Witwatersrand, University of Fort Hare, Eastern Cape Department of Health; Department of Obstetrics and Gynaecology, East London Hospital Complex; Frere and Cecilia Makiwane Hospitals Private Bag X 9047 East London Eastern Cape South Africa 5200
2. World Health Organization; Department of Making Pregnancy Safer; Avenue Appia 20 Geneva Switzerland CH 1211
3. Walter Sisulu University; Department of Obstetrics and Gynaecology, East London Hospital Complex; Private Bag X9047 East London South Africa 5200