Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA & Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502, USA
Key Laboratory of Swine Facilities Engineering, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
Universidade Federal de Vicosa, Vicosa , MG - Brasil. Veterinary Medicine Teaching and Research Center - University of California Davis, Tulare, CA - USA