1. Division of Dermatology APSS‐Trento Hospital Trento Italy
2. Division of Dermatology IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
3. Section of Dermatology and Venereology, Department of Medicine University of Verona Verona Italy
4. Division of Dermatology Azienda USL‐IRCCS di Reggio Emilia Reggio Emilia Italy