1. Department of Thoracic Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
2. Department of Thoracic Surgery, the Fourth Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
3. Department of Gastrology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, China