1. Department of Vascular Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
2. Research Center for Medical Artificial Intelligence, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, P.R. China
3. Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing 100191, P.R. China
4. Department of Vascular Surgery, Beijing Friendship Hospital, Beijing 100050, P.R. China