1. Department of Pathology, The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310005, P.R. China
2. Department of Infectious Diseases, The First Affiliated Hospital of Jinan University, Guangdong, Guangzhou 510632, P.R. China
3. Emergency Department, The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310005, P.R. China
4. Department of Pathology, Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, P.R. China