Affiliations

• ¹ Institute of Social & Preventive Medicine (IUMSP), Lausanne University Hospital, Lausanne, Switzerland.
• ² Crohn and Colitis Center, Gastroentérologie Beaulieu SA, Lausanne, Switzerland.
• ³ Division of Gastroenterology & Hepatology, Lausanne University Hospital, Lausanne, Switzerland.
• ⁴ Institute of Pathology, University of Bern, Bern, Switzerland.
• ⁵ Division of Gastroenterology and Nutrition, University Children's Hospital Zurich, Zurich, Switzerland.
• ⁶ Department of Consultation-Liaison-Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Zurich, Switzerland.
• ⁷ University Clinic of Visceral Surgery and Medicine, Inselspital, Bern, Switzerland.
• ⁸ Maurice Muller Laboratories, Department for Biomedical Research, University of Bern, Bern, Switzerland.
• ⁹ Division of Gastroenterology & Hepatology, Zurich University Hospital, Zurich, Switzerland.