1. Unit of Clinical and Health PsychologyUniversity of Fribourg Fribourg Switzerland
2. Psychiatric University ClinicUniversity of Zurich Zurich Switzerland
3. Division of Gastroenterology and HepatologyUniversity Hospital of Zurich Zurich Switzerland
4. Department of Consultation‐Liaison‐Psychiatry and Psychosomatic MedicineUniversity Hospital Zurich, University of Zurich Zurich Switzerland
5. Zurich Centre for Integrative Human PhysiologyUniversity of Zurich Zurich Switzerland