1. First Department of Medicine, University Medical Center Mainz, Mainz, Germany
2. Institute of Translational Immunology and Research Center for Immunotherapy, University Medical Center Mainz, Mainz, Germany
3. TRON – Translational Oncology at the University Medical Center of Johannes Gutenberg University gGmbH, Mainz, Germany
4. Department of Dermatology, University Medical Center Mainz, Mainz, Germany
5. Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA