1. Department of Hematology, Xijing Hospital; Fourth Military Medical University; 710032 Xi'an Shaanxi Province China
2. Department of Hematology, Xinan Hospital; Third Military Medical University; Chongqing China
3. Department of Hematology; Guiyang Medical University; Guiyang Guizhou Province China
4. Department of Hematology; Xinjiang Autonomous Region Hospital; Wulumuqi Xinjiang Autonomous Region China
5. Department of Hematology; The Affiliated Hospital of Kunming Medical University; Kunming Yunnan Province China