1. Department of Thoracic Oncology; Member of the German Center for Lung Research (DZL); University Hospital Heidelberg and Translational Lung Research Center Heidelberg (TLRC-H); Heidelberg Germany
2. Department of General Practice and Health Services Research; University Hospital Heidelberg; Heidelberg Germany
3. Evangelische Lungenklinik Berlin; Berlin Germany
4. National Center for Tumor Diseases; University Heidelberg; Heidelberg Germany
5. Population Health Sciences; University of Utah; Salt Lake City UT USA