1. Department of Microbiology, Immunology, and Molecular Genetics; University of Kentucky; Lexington KY USA
2. Department of Veterinary Microbiology and Pathology; Paul G. Allen School of Global Animal Health; Washington State University; Pullman WA USA
3. Department of Microbiology and Molecular Genetics; Michigan State University; East Lansing MI USA
4. Bioscientia Labor Ingelheim; Labor für Medizinische Diagnostik; Ingelheim Germany