1. Center for Comparative Epidemiology College of Veterinary Medicine Michigan State University East Lansing MI USA
2. Amazonas State Federal Institute Manaus AM Brazil
3. Catholic University Dom Bosco Campo Grande MS Brazil
4. Agencia de Defesa Agropecuaria do Amazonas Manaus AM Brazil
5. Instituto Nacional de Tecnología Agropecuaria (INTA) Instituto de Biotecnología Buenos Aires Argentina
6. Veterinary Diagnostic Laboratory Michigan State University Lansing MI USA
7. Department of Microbiology and Molecular Genetics Michigan State University East Lansing MI USA
8. Centro Nacional de Pesquisa de Gado de Corte Campo Grande MS Brazil