1. Department of Hematology Affiliated Hospital of Xuzhou Medical University Xuzhou Jiangsu China
2. Department of Epidemiology and Biostatistics, School of Public Health Xuzhou Medical University Xuzhou Jiangsu China
3. Department of Personnel, Suqian First Hospital Suqian Jiangsu China
4. Department of Hematology The Second Affiliated Hospital of Soochow University Suzhou China
5. Department of Hematology The Affiliated Hospital of Jining Medical University Jining Shandong China
6. Department of Hematology, The First People's Hospital of Changzhou Changzhou Jiangsu China
7. Department of Hematology, Huai'an First People's Hospital, Huai'an Jiangsu China
8. Department of Hematology Qilu Hospital of Shandong University Jinan Shandong China
9. Department of Hematology, The General Hospital of Wanbei Coal‐Electric Group Suzhou Anhui China
10. Department of Hematology, Yancheng First People's Hospital Yancheng Jiangsu China
11. Department of Hematology, Taian Central Hospital, Taian Shandong China
12. Center for Medical Statistics and Data Analysis, School of Public Health Xuzhou Medical University Xuzhou Jiangsu China
13. Department of Hematology The First Affiliated Hospital of Anhui Medical University Hefei Anhui China