1. State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, CAAS, 427 Maduan Street, Harbin 150001, People's Republic of China
2. Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan
3. ERATO Infection-Induced Host Responses Project, Saitama 332-0012, Japan
4. Department of Pathobiological Sciences, University of Wisconsin–Madison, Madison, Wisconsin