1. Department of Thoracic Surgery Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University Guangzhou China
2. Shantou University Medical College Shantou China
3. Department of Pulmonary Nodules Surgery the First People's Hospital of Foshan Foshan China
4. Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences Guangzhou China
5. Research Center of Medical Sciences, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University Guangzhou China
6. College of Public Health, Chongqing Medical University Chongqing China
7. State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University Chongqing China