1. Medical Oncology; University Hospital of Lausanne; Lausanne Switzerland
2. Medical Oncology-Sarcoma; Gustave Roussy Institute; Villejuif France
3. Soft Tissue/Bone Sarcoma and Melanoma; Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology; Warsaw Poland
4. Division of Oncology; Geneva University Hospital; Geneva Switzerland
5. Medical Oncology and Hematology; Cantonal Hospital Graubunden; Chur Switzerland
6. Department of Oncology; Cantonal Hospital St. Gallen; St. Gallen Switzerland
7. Medical Oncology; Bergonie Institute; Bordeaux France
8. Oncology Center; Hirslanden Hospital and Health Care; Zurich Switzerland
9. Medical Oncology; Hospital St. Claraspital; Basel Switzerland
10. Department of Medical Oncology, Sarcoma Center, West German Cancer Center; University of Duisburg-Essen; Essen Germany
11. Oncology; Leon Berard Center; Lyon France
12. Oncology/Internal Medicine; Cantonal Hospital Baden; Baden Switzerland
13. Department of Oncology/Hematology; Cantonal Hospital St. Gallen; St. Gallen Switzerland
14. Coordinating Center; Swiss Group for Clinical Cancer Research; Bern Switzerland
15. Nuclear Medicine and Molecular Imaging; University Hospital of Lausanne; Lausanne Switzerland