1. Department of Blood Transfusion , Zhongnan Hospital of Wuhan University , Wuhan , P.R. China
2. Department of Medical Laboratory , Wuhan University , Wuhan , P.R. China
3. Department of Clinical laboratory , Wuhan Jinyintan Hospital , 1 Yintan Road, Wuhan, Hubei 430071 , P.R. China
4. Department of Clinical laboratory , Wuhan Jinyintan Hospital , Wuhan , P.R. China