1. Department of Interventional Ultrasound, 5th Medical Center of Chinese PLA General Hospital, Beijing, China
2. Chinese PLA Medical School, Beijing, China
3. Henan University of Science and Technology School of Nursing, Luoyang, China
4. Department of Ultrasound Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
5. Department of Medical Ultrasonics, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
6. Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin, China
7. Department of Ultrasound, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
8. Department of Ultrasound, Wuhan University of science and technology, Tianyou Hospital, Wuhan, China