1. Department of Clinical Laboratory, Zibo Central Hospital, Zibo, Shandong 255036, P.R. China
2. Outpatient Dressing Room, Zibo Central Hospital, Zibo, Shandong 255036, P.R. China
3. Department of Pathology, Zibo Central Hospital, Zibo, Shandong 255036, P.R. China
4. Department of Blood Transfusion, Zibo Central Hospital, Zibo, Shandong 255036, P.R. China