Affiliation: | 2. Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany;3. Department of Biostatistics and Informatics, University of Colorado, Colorado School of Public Health, Anschutz Medical Campus, Aurora, Colorado;4. Division of Thoracic Oncology, Ruhrlandklinik, University Duisberg-Essen, Essen, Germany;5. Institute of Pathology, Ruhr-University Bochum, Bochum, Germany;11. Department of Pathology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado |