1. Section of Dermatology and Venereology, Department of Medicine University of Verona Verona Italy
2. Department of Dermatology, Hospital de la Santa Creu i Sant Pau Universitat Autònoma de Barcelona Barcelona Spain
3. CEReSS‐EA 3279, Research Centre in Health Services and Quality of Life Aix Marseille University, Dermatology Department University Hospital Timone, Assistance Publique Hôpitaux de Marseille, APHM Marseille France
4. INSERM Infinity U1291 Université de Toulouse et CHU Toulouse France
5. Department of Dermatology Erasmus MC Rotterdam The Netherlands
6. Patients Priority EMMA Fontenay Sous‐Bois France
7. Department of Dermatology, Andreas Syggros Hospital, Medical School National and Kapodistrian University of Athens Athens Greece
8. Second Department of Dermatology and Venerology of Aristotle School of Medicine Papageorgiou Hospital Thessaloniki Greece
9. Department of Pediatric Dermatology Carol Davila University of Medicine and Pharmacy, Colentina Clinical Hospital Bucharest Romania