1. Institute of Pathology, Viollier AG, Basel, Switzerland
2. Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
3. Institute of Social and Preventive Medicine, University of Bern, Switzerland
4. Division of Pathology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
5. Institute of Pharmacology, University of Bern, Bern, Switzerland
6. Swiss EoE Clinic, Praxis Römerhof, Olten, Switzerland