1. Department of Veterinary Clinics; School of Veterinary Medicine and Animal Sciences; São Paulo State University-Unesp; Botucatu São Paulo Brazil
2. Biomedical Laboratory Diagnostics Program; College of Natural Science and Department of Medicine; College of Human Medicine and
3. Departments of Medicine; College of Human Medicine
4. Pathobiology and Diagnostic Investigation; College of Veterinary Medicine; Michigan State University; East Lansing MI USA