1. Department of Thoracic Surgery, Beilun District People’s Hospital of Ningbo, Ningbo, China
2. Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
3. The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
4. Department of Thoracic Surgery, People’s Hospital of Dongxihu, Wuhan, China