| Institution: | 1. Department of Medical, Surgical and Neurological Science, Dermatology Section, University of Siena, S. Maria alle Scotte Hospital, Siena, ItalyThese authors contributed equally;2. Department of Dermatology, University Hospital of Saint‐Etienne, Saint‐Etienne, France;3. Service de Santé Publique et de l'Information Médicale, University Hospital of Saint‐Etienne, Saint‐Etienne, France;4. Department of Medical, Surgical and Neurological Science, Dermatology Section, University of Siena, S. Maria alle Scotte Hospital, Siena, Italy |
