1. Blood Diseases Institute, Xuzhou Medical University, Xuzhou, 221002 Jiangsu, China
2. Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221002 Jiangsu, China
3. Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, China
4. The People’s Hospital of Jiaozuo City, Henan Province, China