1. Institute of Pathology; University Hospital Heidelberg; Heidelberg Germany
2. Translational Lung Research Centre Heidelberg; Member of the German Centre for Lung Research; Heidelberg Germany
3. Translational Research Unit; Thoraxklinik at Heidelberg University; Heidelberg Germany
4. Department of Thoracic Surgery; Thoraxklinik at Heidelberg University; Heidelberg Germany
5. Department of Internal Medicine V, Hematology, Oncology and Rheumatology; University Hospital Heidelberg; Heidelberg Germany
6. Department of Internal Medicine IV, Gastroenterology; University Hospital Heidelberg; Heidelberg Germany