1. Clinic and Polyclinic for Internal Medicine III, haematology and medical oncology / University Centre for Tumor Diseases (UCT), University Hospital Mainz
2. Institute for Medical Biostatistics, Epidemiology and Informatics, University Hospital Mainz
3. National Center for Tumor Diseases Dresden (NCT/UCC)
4. Clinic and Polyclinic for Internal Medicine I, University Hospital Carl Gustav Carus
5. Division of Surgical Oncology and Thoracic Surgery, Mannheim University Medical Center, University of Heidelberg,
6. Interdisciplinary Tumor Center, Sarcoma Unit, Mannheim University Medical Center, University of Heidelberg, Mannheim
7. Department of Orthopedics and Trauma, Medical University of Graz
8. Sarcoma Center Berlin-Brandenburg, Helios Hospital Bad Saarow
9. German Sarcoma Foundation, Woelfersheim,
10. Center for Evidence-Based Healthcare, University Hospital Carl Gustav Carus, Technical University Dresden