Affiliation: | 1. Department of Pathology, Universidade Federal Fluminense, Rio de Janeiro, Brazil;2. Sector of Dermatology, Medical Clinic Department, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil;3. Department of Dermatology, Medical School, UNIMAR, Marília, S?o Paulo, Brazil;4. Histocompatibility and Cryopreservation Laboratory, Department of Histology and Embryology, Roberto Alcantara Gomes Institute of Biology, Rio de Janeiro State University, Rio de Janeiro, Brazil |