1. Klinik und Poliklinik fuer Innere Medizin II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
2. Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center (MSKCC), New York, USA
3. Research Division Microbiome and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany