1. Universidade Federal de Santa Catarina, Campus Curitibanos, Rodovia Ulysses Gaboardi, S/N, Km 3, Bairro Fazenda Pessegueirinhos, caixa postal 101, CEP 89520-000, Curitibanos, Santa Catarina, Brazil
2. Poultry Diagnostic & Research Center, University of Georgia, School of Veterinary Medicine, 953 College Station Rd, Athens, GA 30602
3. School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton 4343, Queensland, Australia
4. California Animal Health and Food Safety Laboratory System, Tulare Branch, School of Veterinary Medicine, University of California-Davis, 18830 Road 112 Tulare, CA 93274-9042