1. Ministry of Health Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen BiologyChinese Academy of Medical Sciences & Peking Union Medical College 100176 Beijing China
2. Liaoning Entry-Exit Inspection and Quarantine Bureau 116001 Shenyang China
3. Jilin Entry-Exit Inspection and Quarantine Bureau 130062 Changchun China
4. Chinese Academy of Inspection and Quarantine 100176 Beijing China