1. Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany
2. Technische Universität Berlin, Institute of Biotechnology, Berlin, Germany
3. Medical Department, Division of Gastroenterology and Hepatology, Charité University Medicine, Berlin, Germany
4. Department of Surgery, Campus Charité Mitte and Campus Virchow Clinics, Charité University Medicine, Berlin, Germany
5. Department of General and Visceral Surgery, Ernst von Bergmann Clinics, Potsdam, Germany
6. Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom