Author(s) : Donato Calista, Francesco Valenzano, Luca Riccioni, (1) Department of Dermatology, «M. Bufalini« Hospital, 47023 Cesena, Italy ; (1) San Gallicano« Dermatologic Institute, IRCCS, Rome, Italy ; (3) Operative Unit of Anatomic Pathology, «M. Bufalini« Hospital, Cesena, Italy, dcalista@ausl-cesena.emr.it. |