1. Department of Clinical Laboratory, The 903rd Hospital of The PLA, Hangzhou, Zhejiang 310003, P.R. China
2. Department of Respiration, The 903rd Hospital of The PLA, Hangzhou, Zhejiang 310003, P.R. China
3. Department of Laboratory Medicine, Key Laboratory of Clinical In Vitro Diagnostic Techniques of Zhejiang Province, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
4. Department of Biotechnology, University of Tokyo, Tokyo 1138656, Japan