Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China. Clinical Medical Research Center of Hematology Diseases of Guangdong Province, Guangzhou, China. Peking University Institute of Hematology, Peking University People's Hospital, Beijing, China. Peking Department of Hematology and Shenzhen Bone Marrow Transplantation Public Service Platform, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China. Department of Hematology, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China. Department of Hematology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China. Department of Hematology, Maoming People's Hospital, Maoming, China. Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China. Department of Hematology, Shenzhen Hospital, Southern Medical University, Shenzhen, China. Department of Hematology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Department of Hematology, The First People's Hospital of Chenzhou, Chenzhou, China. Department of Hematology, Peking University Shenzhen Hospital, Shenzhen, China. Department of Hematology, Zhongshan City People's Hospital, Zhongshan, China.