1. Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
2. Department of General Surgery, The Affiliated Hospital of Luzhou Medical College, Luzhou, China
3. Shanghai Jiao Tong University of Medicine, Shanghai, China
4. Department of Respiratory Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
5. Department of Neurology, The Fifth People’s Hospital, Chongqing, China
6. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China