1. Department of Advanced Biomedical Sciences University of Naples Federico II Naples Italy
2. Division of Dermatology and Venereology Department of Medicine Solna, and Center for Molecular Medicine Karolinska Institutet Stockholm Sweden
3. Professor Emeritus of Dermatology University of Naples Federico II Naples Italy
4. Department of Dermatology University Allergy Center University Hospital Carl Gustav Carus Technical University Dresden Dresden Germany
5. Department of Occupational and Environmental Diseases Hôtel‐Dieu Hospital AP‐HP University Hospital of Centre of Paris Paris France
6. Department of Dermatology Cochin Hospital AP‐HP University Hospital of Centre of Paris Paris France
7. Department of Dermatology University Hospital and Faculty of Medicine University of Coimbra Coimbra Portugal
8. National Allergy Research Centre Department of Dermatology and Allergy Herlev and Gentofte Hospital University of Copenhagen Hellerup Denmark
9. Department of Dermatology Environmental Medicine Health Theory Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) at the University of Osnabrück University of Osnabrück Osnabrück Germany
10. Department of Dermatology‐Allergology and Occupational Dermatology Amsterdam University Medical Centers Amsterdam The Netherlands
11. Department of Dermatology Universitätsklinikum Erlangen‐Nürnberg Friedrich‐Alexander‐Universität Erlangen‐Nürnberg (FAU) Erlangen Germany
12. Department of Dermatology Chapel Allerton Hospital Leeds UK
13. Department of Dermatology, Hospital del Mar Universitat Autònoma de Barcelona Barcelona Spain