1. Institute of Blood Transfusion of Center Blood Station; Ningbo Zhejiang China
2. Clinical Blood Transfusion Department of Center Hospital; Nan Chong Sichuan China
3. Rheumatism Department of No 1 Hospital; Ningbo Zhejiang China
4. Laboratory Department of Center Blood Station; Ningbo Zhejiang China
5. Health Bureau of Ningbo City; Ningbo Zhejiang China