Affiliation: | 1. Department of Blood Transfusion, Xijing Hospital, , Xi'an, China;2. Department of Epidemiology, Faculty of Preventive Medicine, Fourth Military Medical University, , Xi'an, China;3. State Key Laboratory of Cancer Biology, Biotechnology Center, School of Pharmacy, Fourth Military Medical University, , Xi'an, China;4. Department of Blood Transfusion, Chengdu Military General Hospital, , Chengdu, China;5. Department of Blood Transfusion, 307 Hospital of PLA, , Beijing, China |