1 Dermatology Division, Department of Medical Clinics, University Hospital, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
2 Dermatology Division, Department of Medical Clinics, Biology Molecular Laboratory, University Hospital, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
3 Division of Immunology and Rheumatology, Department of Medical Clinics, Immunogenetics Laboratory, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.