1. Department of Medical Imaging and Department of Ultrasound, Hebei Medical University and Hebei General Hospital, Shijiazhuang 050051, Hebei, China
2. Department of Ultrasound, Hebei General Hospital, Shijiazhuang 050051, Hebei, China
3. Department of Second Division of Geriatrics, Hebei General Hospital, Shijiazhuang 050051, Hebei, China
4. Department of Medical Examination Center, Hebei General Hospital, Shijiazhuang 050051, Hebei, China
5. Department of Vascular Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
6. Ultrasound Department, Hebei Medical University and Hebei General Hospital, Shijiazhuang 050051, Hebei, China