Universitätsmedizin Mannheim, Mannheim, Germany
University Medical Centre Mannheim, Mannheim, Baden-Württemberg, Germany
University Hospital Mannheim, Mannheim, Germany
Dr Hans Walter Lindemann, Hagen, Germany
Dr Elisabeth Fritz, Koblenz, Germany
Prof Hartmut Link, Kaiserslautern, Germany
University Hospital Mannheim, Department of Surgery, Mannheim, Germany
University Medical Center Mannheim, Mannheim, Germany
Department of Radiotherapy University Hospital Mannheim, Mannheim, Germany
Institute of Oncology Ljubljana, Ljubljana, Slovenia
Unversity Hospital Mannheim, Mannheim, Germany