1. Department of Thoracic Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
2. Department of Thoracic and Cardiovascular Surgery, Shandong Provincial Lanling People’s Hospital, Linyi, China
3. Department of Thoracic Surgery, Shandong Provincial Qianfoshan Hospital, Taishan Medical University, Taian, China