Institution: | 2. Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany;3. Division of Thoracic Oncology, Ruhrlandklinik, University Hospital Essen, Essen, Germany;4. Department of Pathology and Neuropathology, University Hospital Essen, University Duisburg-Essen, Essen, Germany;6. Department of Pathology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado |