1. Laboratory of Microbial Physiology & Molecular Genetics, Center for Studies in Microbiology, Department of Parasitology, Microbiology & Immunology, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-330, Brazil
2. Cortes Villela Clinical Laboratory, Juiz de Fora, MG, 36016-904, Brazil