1. Department of Vascular Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, P.R. China
2. Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
3. Department of Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China