1. Department of Ultrasonography, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
2. Department of Ultrasound Medicine, Qinghai Provincial People’s Hospital, Xining, China
3. Department of Interventional Ultrasound, The First Affiliated Hospital of Hainan Medical University, Haikou, China
4. Department of Interventional Ultrasound, Qinghai Provincial People’s Hospital, Xining, China
5. Department of General Surgery, Rongxian People’s Hospital, Zigong, China
6. Sichuan University, West China Hospital, Chengdu, China
7. Department of Pathology and Pathophysiology, Development and Regeneration Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, China