1. Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
2. Hematopathy Diagnosis and Therapy Center, Kanghua Hospital, Dongguan, Guangdong 523000, P.R. China
3. Department of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China