1. Department of Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Center for Affective, Stress and Sleep Disorders (ZASS) University Psychiatric Clinics (UPK) Basel, University of Basel Basel Switzerland
3. Institute of Translational Immunology and Research Center for Immunotherapy University Medical Center, Johannes Gutenberg University Mainz Germany
4. Research and Development, Nordic Bioscience Biomarkers and Research A/S Herlev Denmark
5. Department of Interdisciplinary Endoscopy University Medical Center Hamburg‐Eppendorf Hamburg Germany
6. Institute for Clinical Molecular Biology Christian Albrechts University of Kiel Kiel Germany
7. Hamburg Center for Translational Immunology Hamburg Germany
8. Division of Gastroenterology Beth Israel Deaconess Medical Center, Harvard Medical School Boston Massachusetts USA
9. Martin Zeitz Center for Rare Diseases University Medical Center Hamburg‐Eppendorf Hamburg Germany