1. Institute of Hematology and Blood Diseases Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Tianjin China
2. Hematology Department, Nanfang Hospital Southern Medical University Guangzhou China
3. Peking Union Medical College Hospital Beijing China
4. Ruijin Hospital Shanghai China
5. First Affiliated Hospital of Suzhou University Suzhou China
6. Bayer Berlin Germany
7. Bayer Beijing China
8. Bayer Whippany New Jersey