1. Department of Dermatology Allergology and Venereology, Hannover Medical School Hannover Germany
2. Department of Dermatology and Venereology Medical University of Graz Graz Austria
3. Competence Center for Health Services Research in Dermatology (CVderm) Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg‐Eppendorf Hamburg Germany
4. Department of Dermatology and Allergology University Medical Center Munich, Technical University of Munich Munich Germany
5. Department of Dermatology University Hospital Carl Gustav Carus, Technical University Dresden Dresden Germany
6. Department of Dermatology Venereology and Allergology, University Hospital Schleswig‐Holstein Campus Kiel Germany
7. German Allergy and Asthma Association (DAAB) Mönchengladbach Germany
8. Department of Dermatology Venereology and Allergology, Division of Evidence Based Medicine in Dermatology (dEBM), Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
9. Office for Pediatric Pneumology and Allergology, Pediatric Center Dresden‐Friedrichstadt (Kid) Dresden Germany
10. Hospital Hallerwiese, Cnopfsche Kinderklinik Nuremberg Germany
11. Department of Psychosomatic Medicine and Psychotherapy University Hospital Gießen Gießen Germany
12. Dermatology Office Selters Germany
13. Allergy Unit, Department of Dermatology University Hospital Zurich Zurich Switzerland
14. Center for Evidence‐Based Healthcare (ZEGV), Medical Faculty Gustav Carus, Technical University Dresden Dresden Germany
15. German Eczema Association (DNB) Hamburg Germany
16. Department of Dermatology, Inselspital Bern Bern Switzerland
17. Specialized Clinic for Pediatric Pneumology and Allergology Wangen Germany
18. Institute of Environmental Medicine University Hospital Augsburg Augsburg Germany
19. Department of Dermatology and Allergology University Hospital Augsburg Augsburg Germany
20. Department of Dermatology and Allergy Ludwig Maximilian University Munich Munich Germany
21. Department of Dermatology Venereology and Allergology, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
22. Department of Pediatric Dermatology and Allergology Children's and Adolescents’ Hospital Auf der Bult Hannover Germany