1. University of Bern; Institute of Social and Preventive Medicine; Bern Switzerland 3012
2. University Hospital of Cologne; Cochrane Haematological Malignancies Group, Department I of Internal Medicine; Kerpener Str. 62 Cologne Germany 50924
3. Insitute of Medical Biometry and Medical Informatics; German Cochrane Centre; University Medical Center Freiburg Stefan-Meier-Str. 26 Freiburg Germany D-79104
4. American Society of Clinical Oncology; Department of Cancer Policy and Clinical Affairs; 1900 Duke Street, Suite 200 Alexandria VA USA 22314
5. UK Cochrane Centre; National Institute for Health Research Summertown Pavilion, Middle Way Oxford UK OX2 7LG
6. Blue Cross and Blue Shield Association; Technology Evaluation Center; 225 N Michigan Avenue Chicago IL USA 60501
7. Center for Medical Consumers; 130 Macdougal Street New York USA 10012
8. University Hospital; Department of Radiation Oncology; Lübeck Germany
9. Mayo Clinic; 200 First St. S.W. Rochester MN USA MN 55905
10. Center for Evidence Based Medicine and Health Outcomes Research, University of South Florida; Professor of Medicine and Oncology, H. Lee Moffitt Cancer Center; USF Health Clinical Research, 12901 Bruce B. Downs Boulevard, MDC02 Tampa Florida USA 33612
11. University and Inselspital Bern; Department of Medical Oncology; Effingerstraße 102 Bern Switzerland 3010
12. Centre Léon Bérard; 28 rue Laennec Lyon France 69008
13. Academic Hospital Frankfurt am Main Höchst; Department of Gynecology; Gotenstraße 6-8 Frankfurt a.M. Germany 65929
14. University of Toronto; Odette Sunnybrook Cancer Centre; Roxborough Street W Toronto Ontario Canada M5R 1V1
15. Helios Hospital Berlin-Buch; Clinic for Gynaecology; Schwanebecker Chaussee 50 Berlin Germany 13125
16. Institute of Medical Biometry and Medical Informatics, University Medical Center Freiburg; German Cochrane Center; Freiburg Germany
17. Institute of Social and Preventive Medicine; Institute of Social Medicine; Finkenhubelweg 11 Bern Switzerland 3012