1. Special Care Dentistry Center; Department of Stomatology; School of Dentistry; University of Sao Paulo; Sao Paulo Brazil
2. Institute of Tropical Medicine of Sao Paulo; University of Sao Paulo; Sao Paulo Brazil
3. Institute of Infectious Diseases “Emilio Ribas”; Sao Paulo Brazil
4. Department of Otorhinolaryngology; Irmandade da Santa Casa de Misericordia; Sao Paulo Brazil
5. Department of Stomatology; School of Dentistry; University of Sao Paulo; Sao Paulo Brazil