1. Institute of Pathology, University Hospital Heidelberg; Germany
2. Institute of Pathology, Technical University Munich (TUM); Munich Germany
3. National Center for Tumor Diseases; Heidelberg Germany
4. Translational Lung Research Center Heidelberg, Member of the German Center for Lung Research; Heidelberg Germany
5. Department of Thoracic Surgery; Thoraxklinik at Heidelberg University; Germany
6. German Cancer Consortium (DKTK); Heidelberg Germany