1. Division of Gastroenterology and Hepatology, Department of Medical Sciences University of Turin Turin Italy
2. Metabolic Liver Disease Research Program, I. Department of Medicine University Medical Center of the Johannes Gutenberg‐University Mainz Germany
3. University Medical Center, Institute of Translational Immunology and Research Center for Immunotherapy Johannes Gutenberg‐University Mainz Germany
4. Division of Gastroenterology, Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts USA
5. Department of Internal Medicine II Saarland University Medical Center Homburg Germany