1. Department of Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
2. Department of Pathology, High-tech District People’s Hospital, Suzhou, Jiangsu, China (mainland)
3. Department of Gastroenterology-Hepatology, The First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China (mainland)
4. Department of Ultrasound, The First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China (mainland)