1. Medical Research Council Clinical Trials Unit, London, U.K.
2. The Australian and New Zealand Gynaecological Oncology Group, Victoria, Australia
3. The Gynecologic Oncology Group, Philadelphia, PA
4. Arbeitsgemeinschaft Gynaekologische Onkologie
5. Group d’Investigateurs Nationaux pour l’Etude des Cancers Ovariens, Paris, France
6. The Nordic Society of Gynecological Oncology, Linkóping, Sweden
7. National Cancer Institute of Canada Clinical Trials Group, Kingston, Ontario, Canada
8. Japanese Gynecologic Oncology Group, Tokyo, Japan
9. Radiation Therapy Oncology Group, Philadelphia
10. The European Organisation for Research and Treatment of Cancer, Brussels, Belgium
11. Spanish Group for Research on Ovarian Cancer, Barcelona, Spain
12. Gynaecologic Cancer Intergroup, Bethesda, MD