1. Department of Vascular Surgery, The First Affiliated Hospital of Bengbu Medical University, Bengbu 233004, Anhui, China
2. Department of General Surgery, Baoshan People's Hospital, Baoshan 678000, Yunnan, China
3. Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong, China