| Affiliation: | 1. Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland;2. Institute of Pathology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland;3. Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland;4. Division of Otorhinolaryngology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland;5. Division of Pediatric Gastroenterology, Department of Pediatrics, CHUV, University Hospital Lausanne, Lausanne, Switzerland;6. Division of Gastroenterology and Hepatology, Stadtspital Triemli, Zurich, Switzerland;7. Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland;8. Swiss EoE Clinic, Praxis R?merhof, Olten, Switzerland;9. Division of Gastroenterology and Hepatology, University Hospital Basel, Basel, Switzerland |
