1. Department of Oncology and Hematology, Yizheng Hospital of Nanjing Drum Tower Hospital Group, Yizheng, PR China
2. Department of Hematology, Nanjing Drum Tower Hospital Clinical College, Nanjing Medical University, Nanjing, Jiangsu, PR China
3. Department of Hematology, The First People’s Hospital of Chuzhou, Chuzhou Hospital affiliated to Anhui Medical University, Chuzhou, PR China