1. Department of hematology, Minda Hospital of Hubei Minzu University, Enshi, People’s Republic of China
2. Department of hematology, Union Hospital, Tongji Medical College of Huazhong, University of Science and Technology, Wuhan, People’s Republic of China
3. Department of Hematology, Jingzhou Central Hospital, Yangtze University, Jingzhou, People’s Republic of China
4. Department of hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
5. Department of hematology, Yi Chang Central People’s Hospital, The First College of Clinical Medical Science, China Three Gorges University, Yichang, People’s Republic of China
6. Department of hematology, Central Hospital of Ezhou City, Ezhou, People’s Republic of China
7. Department of hematology, Jingzhou First People’s Hospital, The First Affiliated Hospital of Yangtze University, Jingzhou, People’s Republic of China
8. Department of hematology, Hanchuan people's Hospital, Hanchuan, People’s Republic of China
9. Department of Hematology, the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China