1. Consultant, The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
2. Resident Doctor, Department of Haematology, The First Affiliated Hospital, Lanzhou University, Lanzhou, Gansu, China
3. Graduate Student, Department of Haematology, The First Affiliated Hospital, Lanzhou University, Lanzhou, Gansu, China
4. Professor, Department of Haematology, The First Affiliated Hospital, Lanzhou University, Lanzhou, Gansu, 730000, China