1. Department of Cardiothoracic Surgery; Shanghai Sixth People's Hospital, Shanghai Jiao Tong University; Shanghai, 200233 China
2. Department of Oncological Surgery; Anqing Hospital of Anhui Medical University; Anhui, 246000 China
3. Department of Cardiothoracic Surgery; The First Affiliated Hospital of Chongqing Medical University; Chongqing, 400016 China
4. Department of Cardiovascular Surgery; Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai, 200001 China