1. Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, People’s Republic of China
2. Blood Diseases Institute, Xuzhou Medical University, Xuzhou, People’s Republic of China
3. Key Laboratory of Bone Marrow Stem Cells, Xuzhou, People’s Republic of China
4. Medical Record and Statistical Office, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, People’s Republic of China