1. Department of Hematology, Medical Oncology, & Pneumology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
2. Department of Pulmonary Medicine, University Medical Center Essen-Ruhrlandklinik, Essen, Nordrhein-Westfalen, Germany
3. Institute of Immunology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany