1. Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
2. Medizinische Klinik Köln-Holweide, Cologne, Germany
3. Department of Radiotherapy and Radio-Oncology, Landeskrankenhaus, Paracelsus Medical University Clinics, Salzburg, Austria
4. Department of General, Visceral, and Transplant Surgery, University Hospital, LMU Munich, Munich, Germany
5. Department of Orthopedics, University Hospital, LMU Munich, Munich, Germany
6. Institute of Pathology, University Hospital, LMU Munich, Munich, Germany