1 Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
2 Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China.
3 Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China.
4 Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
5 Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China. Electronic address: huguodong123123@126.com.