1. Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany
2. Thoracic Clinic, Department of Thoracic Oncology, Translational Lung Research Center Heidelberg (TLRC-H), German Center for Lung Research (DZL), University Hospital Heidelberg, Heidelberg, Germany
3. Institute of Medical Biometry and Informatics, University Hospital Heidelberg, Heidelberg, Germany
4. Medical School Berlin, Berlin, Germany
5. German National Institute for State Examinations in Medicine, Pharmacy, and Psychotherapy, Mainz, Germany