1. Allergology and Immunology Department of Dermatology Venereology and Allergology Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin and Berlin Institute of Health
2. Division of Evidence‐Based Medicine (dEBM) Department of Dermatology Venereology and Allergology Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin and Berlin Institute of Health
3. Department of Dermatology and Venereology Vivantes Klinikum Neukölln Berlin
4. Clinic and Functional Division for Rheumatology University Hospital Düsseldorf
5. Hamburg Center for Pediatric and Adolescent Rheumatology Hamburg
6. Department and Clinic of Dermatology University Hospital Carl Gustav Carus Dresden
7. Center for Internal Medicine at the IIIrd Medical Department and Clinic University Hospital Hamburg‐Eppendorf
8. Dermatology Venereology and Allergology Helios St. Elisabeth Klinik Oberhausen
9. Department of Rheumatology and Clinical Immunology Kerckhoff‐Klinik GmbH Bad Nauheim
10. Department of Dermatology Venereology and Allergology University Hospital Frankfurt am Main
11. Dermatological Department University Hospital Erlangen
12. Department of Pediatrics and Adolescent Medicine University Hospital RWTH Aachen
13. Dermatological Department University Hospital Bonn
14. Medical Director Klinikum Passau Passau