1. Jiangsu Engineering Laboratory of Animal Immunology, Institute of Immunology and College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
2. Key Laboratory of Zoonosis Prevention and Control of Guangdong Province and College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
3. Institute for Virology, Center for Infection Medicine, Veterinary Faculty, Free University Berlin, Berlin, Germany