1. Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, D‑69120 Heidelberg, Germany
2. Division of Cancer Epidemiology, German Cancer Research Centre (DKFZ Heidelberg), D‑69120 Heidelberg, Germany
3. Division of Biostatistics, German Cancer Research Centre (DKFZ Heidelberg), Germany
4. Department of Radiology, German Cancer Research Centre (DKFZ Heidelberg), D‑69120 Heidelberg, Germany
5. Department of Diagnostic and Interventional Radiology with Nuclear Medicine, Thoraxklinik at University of Heidelberg, D‑69126 Heidelberg, Germany