1. Jerome L. and Dawn Greene Infectious Disease Laboratory, Mailman School of Public Health, Columbia University, New York, New York
2. Stanford School of Medicine, Palo Alto, California
3. Centro Nacional de Microbiologia, Instituto de Salud Carlos III, Madrid, Spain
4. CSIRO Livestock Industries, Australian Animal Health Laboratory, Victoria, Australia
5. Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos G. Malbrán, Buenos Aires, Argentina
6. National Animal Disease Center, USDA, Ames, Iowa
7. Department of Microbiology and Emerging Pathogens Institute, Mount Sinai School of Medicine, New York, New York