1 Department of Thoracic Surgery, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong, China.
2 Department of Thoracic Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China.
3 Department of Thoracic Oncology, Fujian Provincial Cancer Hospital and Fujian Medical University Cancer Hospital, No. 420, Fuma Rd, 350014, Fuzhou, Fujian, P. R. China. Electronic address: shuoyanliu2010@163.com.