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. Michigan State University School of Medicine/Sparrow Hospital; Department of Obstetrics and Gynecology; 1322 East Michigan Avenue Suite 220 Lansing Michigan USA 48912
3. Royal United Hospital; Cochrane Gynaecological Cancer Group; Education Centre Bath UK BA13NG