1. U.O. Dermatologia, Fondazione IRCCS Cà Granda – Ospedale Maggiore Policlinico, Milan, Italy;
2. Department of Medical Sciences, Section of Dermatology, University of Turin, Turin, Italy;
3. Dermatology Unit, Azienda Ospedaliera San Donato Milanese, Milan, Italy;
4. U.O.C. Dermatologia, Ospedale San Bortolo – Azienda ULSS8, Berica (VI), Italy;
5. CE Medical Writing, Pisa, Italy;
6. Division of Dermatology, Humanitas Research Hospital, Milan, Italy