1. Department of Dermatology and Immunodeficiencies (LIM-56), Institute of Tropical Medicine of São Paulo, University of São Paulo, São Paulo, Brazil.
2. Division of Blood and Sexual Diseases-Retrovirus Laboratory, Department of Virology, Adolfo Lutz Institute, São Paulo, Brazil.
3. Department of Preventive Medicine, University of São Paulo, São Paulo, Brazil.
4. HIV Outpatient Service of the Secondary Immunodeficiencies Clinic (ADEE 3002), University of São Paulo, Hospital das Clinicas, São Paulo, Brazil.