1. Department of Microbiology & Immunology, Botucatu Biosciences Institute, UNESP – Univ. Estadual Paulista, Botucatu, SP, Brazil
2. Laboratory of Microbiology, University Hospital of the Botucatu School of Medicine (HC-FMB), UNESP – Univ. Estadual Paulista, Botucatu, SP, Brasil
3. Department of Internal Medicine, Botucatu School of Medicine University Hospital, UNESP – Univ. Estadual Paulista, Botucatu, SP, Brazil