Corresponding Author

Carlo Alberto Maronese

Dermatology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy

Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy

Correspondence

Carlo Alberto Maronese. Dermatology Unit - Via Pace, 9, 20122 Milan, Italy. Tel. +39 0255034717; fax: +39 0255035236;

Email: carlo.maronese@unimi.it