1. Department of Medical Oncology, Inselspital, Bern University Hospital, Sarcoma Center, Bern - Switzerland
2. Institute of Pathology, University of Bern, Bern - Switzerland
3. Department of Radiation Oncology, Inselspital, Bern University Hospital, Sarcoma Center, Bern - Switzerland
4. Institute for Diagnostic, Interventional, and Pediatric Radiology, Inselspital, University Hospital Bern, Bern - Switzerland
5. Department of Orthopedic Surgery, Inselspital, Bern University Hospital, Sarcoma Center, Bern - Switzerland