1 Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics of Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, People's Republic of China.
2 Department of Clinical Laboratory, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China.
3 Department of Clinical Laboratory, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China.
4 Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics of Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, People's Republic of China. fengwlcqmu@sina.com.