1. 2nd Medical Department; Technische Universität München; Munich Germany
2. Center for Digestive Diseases Eppendorf; Hamburg Germany
3. Institute for Immunology; Ludwig-Maximillian-Universität München; Munich Germany
4. Department of Dermatology and Allergy Biederstein; Technische Universität München; Munich Germany
5. Department of Gastroenterology, Hepatology and Infectious Diseases; Otto-von-Guericke-Universität Magdeburg; Magdeburg Germany
6. Swiss EoE Research Network; Olten Switzerland
7. Institute for Pathology; Klinikum Bayreuth; Bayreuth Germany
8. Institute for Pathology; Kantonsspital Luzern; Luzern Switzerland
9. Dr Falk Pharma GmbH; Freiburg Germany