1. The Third Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China | Department of Ultrasound, Zhangzhou Hospital Affiliated to Fujian Medical University, Zhangzhou, Fujian, China
2. Department of Ultrasound, Zhangzhou Hospital Affiliated to Fujian Medical University, Zhangzhou, Fujian, China
3. Department of General Surgery, Zhangzhou Hospital Affiliated to Fujian Medical University, Zhangzhou, Fujian, China