1. Department of Internal Medicine, Botucatu Medical School, UNESP—Universidade Estadual Paulista, Botucatu Campus, Brazil
2. Department of Microbiology and Immunology, Biosciences Institute of Botucatu, UNESP—Universidade Estadual Paulista, Distrito de Rubião Jr, s/n, CEP 18618-970, Botucatu Campus, Sao Paulo, Brazil