1. Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2. Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
3. Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
4. Department of Blood Transfusion, Taihe Hospital, Hubei University of Medicine, Shiyan, China