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. The First Affiliated Hospital; College of Medicine; Zhejiang University; Hangzhou; China
3. Sanmen People's Hospital; Taizhou; China
4. The First People's Hospital of Pingyang; Wenzhou; China
5. The First People's Hospital of Cangnan; Wenzhou; China
6. Jinhua Municipal Central Hospital; Jinhua; China
7. The First People's Hospital of Xiaoshan District; Hangzhou; China
8. The First Hospital of Jiaxing; Jiaxing; China
9. Zhoushan Hospital; Zhoushan; China
10. Zhoushan Women and Children's Hospital; Zhoushan; China
11. Ruian People's Hospital; Wenzhou; China
12. People's Hospital of Putuo District; Zhoushan; China
13. The First People's Hospital of Wenling; Taizhou; China
14. Shangyu People's Hospital; Shangyu; China
15. Hangzhou First People's Hospital; Hangzhou; China
16. The First People's Hospital of Yongkang; Jinhua; China
17. Wuxi No. 4 Hospital Affiliated to Suzhou University; Wuxi; China
18. The Children's Hospital Zhejiang University School of Medicine; Hangzhou; China
19. The Affiliated Hospital of Hangzhou normal university; Hangzhou; China
20. Ruian City TCM Hospital; Wenzhou; China
21. Zhiyuan Medical Inspection Institute CO., LTD; Hangzhou; China