1. Department of Tropical Diseases, Botucatu Medical School (FMB), Univ Estadual Paulista (UNESP), Botucatu, Brazil.
2. Department of Nursing, Botucatu Medical School (FMB), Univ Estadual Paulista (UNESP), Botucatu, Brazil.
3. Department of Dermatology, Botucatu Medical School (FMB), Univ Estadual Paulista (UNESP), Botucatu, Brazil.