Affiliation: | 1. Department of Dermatology, Catholic University of Rome, Rome, Italy;2. Department of Dermatology, Charité – University Medical Centre Berlin, Berlin, Germany;3. Department of Dermatology, Monklands Hospital, Airdrie, Lanarkshire, UK;4. Service de Dermatologie Allergologie, H?pital Cochin, Paris, France;5. Université Paris 5 Descartes, Paris, France;6. Meda Pharma GmbH & Co. KG, Bad Homburg, Germany;7. Dermatological Practice Centre, Wuppertal, Germany;8. Faculty of Health, University Witten‐Herdecke, Witten, Germany;9. Department of Dermatology, Institut Universitari Quiron Dexeus, Barcelona, Spain |