1. Department of Animal & Range Sciences, Montana State University, Bozeman, Montana, USA
2. Department of Microbiology & Immunology, Montana State University, Bozeman, Montana, USA
3. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
4. Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
5. Roy J. Carver Biotechnology Center, University of Illinois, Urbana, Illinois, USA
6. Institute for Bioinformatics and Evolutionary Studies, University of Idaho, Moscow, Idaho, USA
7. Department of Biological Sciences, University of Idaho, Moscow, Idaho, USA
8. Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA