1. Department of Transfusion Medicine, Shaanxi Provincial People's Hospital; Xi'an China
2. Department of Transfusion Medicine; Xijing Hospital, the Fourth Military Medical University; Xi'an China
3. Department of Blood Components Preparation; Shaanxi Provincial Blood Center; Xi'an China
4. Department of Hematology, Shaanxi Provincial People's Hospital; Xi'an China
5. Department of Laboratory; Shaanxi Provincial People's Hospital; Xi'an China