1. Institute of Pathology, University Hospital CologneKerpener Straße 62Cologne50937 Germany
2. Center for Integrated Oncology Cologne, University Hospital CologneKerpener Straße 62Cologne50937 Germany
3. Center for Integrated Oncology Bonn, University Hospital BonnSigmund‐Freud Straße 2553105Bonn Germany
4. Lung Cancer Group CologneUniversity Hospital CologneKerpener Straße 62Cologne50937 Germany
5. Biocenter, University of Würzburg, Am HublandWürzburg97074 Germany
6. Department of Prostate Cancer ResearchInstitute of Pathology, University Hospital BonnSigmund‐Freud Straße 25Bonn53105 Germany
7. Clinic for Internal Medicine I, University Hospital CologneKerpener Straße 62Cologne50937 Germany