1. State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
2. Wuxi Center for Disease Control and Prevention, Wuxi, China.
3. Shanghai Changning District Center for Disease Control and Prevention, Shanghai, China.
4. Hunan Provincial Center for Disease Control and Prevention, Changsha City, China.
5. Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China.