1. Department of Ultrasound Medicine, Hubei Cancer Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China
2. Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China
3. Department of Ultrasound The First People's Hospital of Huaihua Huaihua China
4. Department of Medical Ultrasound Affiliated Hospital of Nantong University Nantong China
5. Department of Internal Medicine Hirslanden Clinic Bern Switzerland