Ethics approval
WEST, BLOOD DISEASES
This study was performed in accordance with the International Council for Harmonisation E6 Guideline for Good Clinical Practice that have their origin in the Declaration of Helsinki and local regulations (China). All patients provided written informed consent for their participation in the study. The study protocol and all amendments were approved by the Independent Ethics Committee for each center (Institute of Hematology & Blood Diseases Hospital, Tianjin, China; The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China; West China Hospital of Sichuan University, Chengdu, Sichuan, China; Tianjin Medical University General Hospital, Tianjin, China; The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China).