1. Erasmus Medical Center; Department of Obstetrics and Gynaecology; PO Box 2040 Rotterdam Netherlands 3000 CA
2. Bouman GGZ; Pieter de Hoogh Weg 14 Rotterdam Netherlands 3024 BH
3. The Royal Marsden Hospital; Fulham Road London UK SW 3
4. Erasmus Medical Center; Department of Urology and Obstetrics and Gynecology; PO Box 2040 Rotterdam Netherlands 3000 CA
5. World Health Organization; Department of Reproductive Health and Research; 20 Rue Appia Geneva 27 Switzerland CH-1211