1. Nestlé Research Center; Lausanne Switzerland
2. Department of Dermatology; Inselspital; Bern University Hospital; Bern Switzerland
3. Division of Gastroenterology; Centre Hospitalier Universitaire Vaudois (CHUV); Lausanne Switzerland
4. Swiss EoE Clinic and EoE Research Network; Olten Switzerland
5. Institute of Pharmacology; University of Bern; Bern Switzerland