1. Department of Clinical Laboratory, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
2. Department of Blood Transfusion, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
3. Research Centre of Biomedical Technology, Clinic Medical College, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu 224005, P.R. China