1. Department of Hematology & Research Laboratory of Hematology, West China Hospital, Sichuan University, Chengdu, P.R. China
2. Department of Internal Medicine, No. 4 West China Teaching Hospital, Sichuan University, Chengdu, P.R. China
3. State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, P.R. China