1. Department of Hematology Beijing Shijitan Hospital, Capital Medical University Beijing China
2. Department of Hematology Yuebei People's Hospital affiliated to Medical College of Shantou University Shaoguan China
3. Department of Hematology Clinical Medical College, Yangzhou University Yangzhou China
4. Department of Medicine University of Calgary, Cumming School of Medicine, Foothills Medical Center, and Southern Alberta Rare Blood and Bleeding Disorders Comprehensive Care Program Calgary Canada