1. Department of Gastroenterology Hepatology and Infectious Diseases Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
2. Baxter Laboratory in Stem Cell Biology Department of Microbiology and Immunology Stanford University Stanford CA USA
3. Institute of Immunology Medical Faculty University of Duisburg‐Essen Essen Germany
4. Department of Anatomy Physiology and Cell Biology School of Veterinary Medicine University of California Davis Davis CA USA
5. The Campbell Family Cancer Research Institute Ontario Cancer Institute University Health Network Toronto ON Canada
6. Genomics and Immunoregulation LIMES‐Institute University of Bonn Bonn Germany
7. CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences Vienna Austria
8. Department of Molecular Medicine II Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany