1. Department of Blood Transfusion, the Third Xiangya Hospital, Central South University, Changsha 410013, P. R. China
2. Department of Hematology, The Qinghai Provincial People’s Hospital, Xining 810007, P. R. China
3. Department of Transfusion Medicine, Wuhan Hospital of Traditional Chinese and Western Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, P. R. China
4. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
5. Clinical Laboratory of the Third Xiangya Hospital, Central South University, Changsha 410013, P. R. China