1. Department of Ultrasound, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Department of Ultrasound The Second Affiliated Hospital of Chongqing Medical University Chongqing China
3. Department of Ultrasound Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology Wuhan China
4. Department of Ultrasound The Sun Yat‐sen Memorial Hospital, Sun Yat‐sen University Guangzhou China
5. Department of Ultrasound The Third Xiangya Hospital of Central South University Changsha China
6. Department of Ultrasound The First Hospital of Shanxi Medical University Taiyuan China
7. Department of Ultrasound The Second Hospital of Dalian Medical University Dalian China