1. Department of Thoracic and Cardiovascular Surgery/Huiqiao Medical Center, Nanfang Hospital, Southern Medical University , Jingxi Street, Guangzhou , Guangdong 510515 , China
2. Department of Radiology, Charité – Universitätsmedizin Berlin , Berlin , Germany
3. Department of Emergency Surgery, Nanfang Hospital, Southern Medical University, Guangzhou , Guangdong , China