1. Immunology Department, Adolfo Lutz Institute, Secretary of Health of São Paulo, São Paulo, S.P., Brazil.
2. Faculdade de Ciências Farmacêuticas–USP, São Paulo, S.P., Brazil.
3. Coordenadoria de Controle de Doenças, Secretary of Health of São Paulo, São Paulo, S.P., Brazil.
4. Dermatology Unit, Central Hospital of Maputo, University Eduardo Mondlane, Maputo, Mozambique.