1. Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
2. Department of Thoracic Surgery, Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
3. Department of Thoracic Surgery, University of Electronic Science and Technology of China, Sichuan Cancer Hospital and Research Institute, Cancer Hospital Affiliated to School of Medicine, Wuhou District, Chengdu, China