1. Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo , São Paulo , Brazil
2. Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo , São Paulo , Brazil
3. Microbiology Sector, Provet Diagnostic Center , São Paulo , Brazil
4. Department of Clinical Analysis, School of Pharmacy, University of São Paulo , São Paulo , Brazil
5. Bacteriology Branch, Instituto Adolfo Lutz , São Paulo , Brazil
6. School of Veterinary Medicine, Metropolitan University of Santos , Santos , Brazil
7. Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo , São Paulo , Brazil