1. Department of Medicine 1, University Hospital Erlangen and Friedrich-Alexander-Universität Erlangen-Nürnberg , Germany
2. Department of Surgery, Division of Molecular and Experimental Surgery, University Hospital Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg , Germany
3. Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen , Germany
4. Institute of Human Genetics, University Hospital Erlangen and Friedrich-Alexander-Universität Erlangen-Nürnberg , Germany
5. Shire HGT, a Takeda company , Cambridge, MA , USA
6. Division of Gastroenterology, Infectiology and Rheumatology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin , Berlin , Germany