1 Young Dermatologists Italian Network (YDIN), GISED, Bergamo, Italy.
2 Clinical Dermatology, Department of Biomedical, Surgical and Dental Sciences, IRCCS Galeazzi Orthopaedic Institute, University of Milan, Milan, Italy.
3 Department of Dermatology, Case Western Reserve University, Cleveland, USA.
4 San Gallicano Dermatological Institute, IRCCS, Rome, Italy.