1. Department of Dermatology Inselspital, Bern University Hospital University of Bern Bern Switzerland
2. Institute of Immunology Inselspital, Bern University Hospital University of Bern Bern Switzerland
3. Pathology Viollier AG Basel Switzerland
4. Institute of Nutritional Science Nestlé Research Center Lausanne Switzerland
5. Swiss EoE Research Group Olten Switzerland
6. Institute of Pharmacology University of Bern Bern Switzerland