1 Department of Dermatology, Centro Universitário Saúde ABC, Santo André, São Paulo, Brazil.
2 Department of Dermatology, Centro Universitário Saúde ABC, Santo André, São Paulo, Brazil - rodrigo.scb@hotmail.com.
3 Dermatology Department of Pathophysiology and Transplantation, University of Milan, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
4 Department of Pathology, Research Fund Association (AFIP), São Paulo, Brazil.