1 Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, and Peking Union Medical College, Beijing, China.
2 Department of Interventional Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, and Peking Union Medical College, Beijing, China.
3 Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, and Peking Union Medical College, Beijing, China. Electronic address: yongj_93@hotmail.com.