1 Dermatology Division, Department of Medical Clinics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Department of Internal Medicine, Hospital São Francisco, Ribeirão Preto, São Paulo, Brazil.
2 Department of Internal Medicine, Hospital São Francisco, Ribeirão Preto, São Paulo, Brazil.
3 AIDS Division, Carlos Tortelly Municipal Hospital, Ministry of Health, Niterói, Rio de Janeiro, Brazil.
4 International Foundation for Dermatology, London, United Kingdom.