1. Institute of Veterinary Medicine and Department of Veterinary & Animal Breeding; Government of Mongolia; Ulaanbaatar; Mongolia
2. College of Public Health & Health Professions, and Emerging Pathogens Institute; University of Florida; Gainesville; FL; USA
3. World Health Organization Collaborating Center for Studies on the Ecology of Influenza in Animals and Birds; St. Jude Children's Research Hospital; Memphis; TN; USA