1. Department of Thoracic Surgery, Ludwig Maximilian University of Munich, 81377 Munich, Germany
2. Department of Surgery, Division of Surgical Oncology and Thoracic Surgery, University Hospital Mannheim, University of Heidelberg, 68167 Mannheim, Germany
3. Clinic for Radiology and Nuclear Medicine, University Hospital Mannheim, University of Heidelberg, 68167 Mannheim, Germany
4. Department of Radiation Oncology, Ludwig Maximilian University of Munich, 81377 Munich, Germany
5. Department of Pulmonology, University Hospital Mannheim, University of Heidelberg, 68167 Mannheim, Germany
6. Department of Pulmonology, Thoraxklinik Heidelberg, University of Heidelberg, 69126 Heidelberg, Germany
7. Department of Thoracic Surgery, Center for Thoracic Diseases, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany