1. Department of Dermatology University Hospital Carl Gustav Carus Technical University Dresden Germany
2. Department of Dermatology Environmental Medicine and Health Theory University of Osnabrück Osnabrück Germany and Institute for Interdisciplinary Dermatologic Prevention and Rehabilitation (iDerm) at the University of Osnabrück Osnabrück Germany
3. Department of Allergy Occupational Dermatology and Environmental Medicine University Hospital Münster Münster Germany
4. Privat practice for dermatology Dieburg Germany
5. Bochum Department of Dermatology Venereology and Allergology St. Josef Hospital University Medical Center Ruhr University Bochum Bochum Germany
6. Privat practice for dermatology and allergology SRH Hospital Gera Germany
7. Institute for Prevention and Occupational Medicine of the German Social Accident Insurance (IPA), Institute of the Ruhr University Bochum Bochum Germany
8. University Cancer Center University Hospital Carl Gustav Carus Technical University Dresden Germany
9. Department of Dermatology Environmental Medicine and Health Theory University of Osnabrück, Osnabrück, Germany and Institute for Interdisciplinary Dermatologic Prevention and Rehabilitation (iDerm) at the University of Osnabrück Osnabrück Germany
10. Dermatology Group Practice Duisburg Germany
11. Department of Dermatology University Hospital Zurich Zurich Switzerland
12. Professor of Dermatology and Allergology Former Chairman of the Department of Dermatology RWTH University Aachen Germany
13. Division of Dermatology Department of Medicine Queen's University Kingston Canada
14. Department of Dermatology Venereology and Allergology Division of Evidence‐Based Medicine (dEBM) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
15. Departments of Dermatology Venereology Allergology and Immunology Staedtisches Klinikum Dessau Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg Dessau Germany
16. Department of Dermatology University Hospital Jena Jena Germany
17. Occupational Dermatology Department of Dermatology University Hospital Heidelberg Heidelberg Germany
18. Department of Dermatology and Allergy Hannover Medical School Hannover Germany
19. Department of Dermatology Venereology and Allergology Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany