1. Department of Blood Transfusion, Baoji People’s Hospital, Baoji City, Shanxi Province, China
2. Department of Laboratory, Yanan University Hospital, Yanan City, Shanxi Province, China
3. Department of Laboratory, Baoji People’s Hospital, Baoji City, Shanxi Province, China
4. Department of Blood Transfusion, Hanzhong People’s Hospital, Hanzhong City, Shanxi Province, China