1. Department of Dermatology, Chapel Allerton CSU Leeds Teaching Hospitals NHS Trust Leeds UK
2. Dermatology Clinic Colentina Bucharest Romania
3. Department of Dermatology Hospital del Mar, Institut Mar d'Investigacions Mediques, Universitat Autónoma Barcelona Spain
4. Department of Dermatology, Venereology and Allergology Ruhr University Bochum Bochum Germany
5. Clinic of Dermatology, University Hospital and Faculty of Medicine University of Coimbra Coimbra Portugal
6. Servicio de Dermatología Complejo Hospitalario de Navarra Pamplona Spain
7. Department of Occupational and Environmental Dermatology Lund University, Skåne University Hospital Malmö Sweden
8. National Allergy Research Centre, Department of Dermatology and Allergy Copenhagen University Hospital Herlev‐Gentofte Hellerup Denmark
9. Paul‐Ehrlich‐Institut Langen Germany
10. Department of Medical Informatics, Biometry and Epidemiology University of Erlangen/Nürnberg Erlangen Germany