1. 2nd Institute of Pathology Semmelweis University Budapest Hungary
2. Department of Thoracic Surgery RuhrlandklinikUniversity Duisburg‐Essen Essen Germany
3. Division of Thoracic Surgery Department of Surgery Comprehensive Cancer Center ViennaMedical University Vienna Vienna Austria
4. Institute of Pathology University Hospital EssenUniversity Duisburg‐Essen Essen Germany
5. University Clinic of Respiratory and Allergic Diseases Golnik Slovenia
6. Department for Respiratory Diseases Jordanovac University Hospital CenterUniversity of Zagreb Zagreb Croatia
7. Department of Tumor Biology National Koranyi Institute of PulmonologySemmelweis University Budapest Hungary
8. Department of Biomedical Imaging and Image‐guided Therapy Division of Molecular and Gender Imaging Medical University of Vienna Vienna Austria
9. Clinical Institute of Pathology Medical University of Vienna Vienna Austria
10. Department of Pathology National Koranyi Institute of PulmonologySemmelweis University Budapest Hungary
11. Institute of Cancer Research and Comprehensive Cancer Center Department of Medicine Medical University of Vienna Vienna Austria
12. Department of Medical Oncology West German Cancer Center University Hospital EssenUniversity Duisburg‐Essen Essen Germany
13. Medical University of Graz, Diagnostic and Research Institute of Pathology Graz Austria