1. Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, PR China
2. Clinical Laboratory, The 117th Hospital of PLA, Hangzhou, Zhejiang 310013, PR China
3. Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, PR China
4. Yiwu Maternity and Child Care Hospital, Jinhua, Zhejiang 322000, PR China