Wen-Fang Tang1,2, Wen-Zhao Zhong3. 1. Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, China. 2. Shantou University Medical College, Shantou, China. 3. Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, China. syzhongwenzhao@scut.edu.cn.