. Blood & Marrow Transplantation Center, Department of Hematology, Collaborative Innovation Center of Hematology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.. Peking University Institute of Hematology, Peking University, People’s Hospital, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China.. Department of Hematology, The First Affiliated Hospital of Medical School of Zhejiang University, Hangzhou 310003, China.. Department of Hematology-Oncology, Shanghai Children’s Medical Center, Shanghai 200127, China.. Department of Hematology, Jiangsu Province Hospital, Nanjing 210029, China.. Harbin Hematologic Tumor Institution, Harbin 150010, China.. Department of Hematology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China.. Department of Hematology, Tangdu Hospital, Fourth Military Medical University, Xi’an 710032, China.. Department of Hematology, Changhai Hospital of the Second Military Medical University, Shanghai 200082, China.. Department of Hematology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China.. Department of Hematology, The First Affiliated Hospital of Wenzhou Medical College, Wenzhou 325000, China.. Department of Hematology, Fujian Medical University Union Hospital, Fuzhou 350001, China.. Department of Hematology, The First People’s Hospital of Shanghai, Shanghai 200080, China.. Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.. Department of Hematology, The General Hospital of Guangzhou Military Command of PLA, Guangzhou 510010, China