1 Department of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China Luo Jianping is working at Department of Hematology, Kaifeng Central Hospital, Kafeng 475000, China.
2 Department of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.