1. Department of Epidemiology and Biostatistics, School of Public Health Anhui Medical University Hefei Anhui China
2. Department of Hematology Affiliated Hospital of Xuzhou Medical University Xuzhou Jiangsu China
3. Department of Hematology The First People's Hospital of Huai'an Huai'an Jiangsu China
4. Department of Hematology The Affiliated Hospital of Jining Medical University Jining Shandong China
5. Department of Hematology Qilu Hospital of Shandong University Jinan Shandong China
6. Department of Hematology Tai'an Central Hospital Tai'an Shandong China
7. Department of Hematology The General Hospital of Wanbei Coal‐Electric Group Suzhou Anhui China
8. Department of Hematology Yancheng First People's Hospital Yancheng Jiangsu China
9. Department of Hematology The First Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
10. Department of Hematology, Beijing Tongren Hospital Capital Medical University Beijing China
11. Blood Diseases Institute, Xuzhou Medical University Xuzhou Jiangsu China
12. Key Laboratory of Bone Marrow Stem Cell Xuzhou Jiangsu China