1. Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P. R. China
2. Chongqing Key Laboratory of Ultrasound Molecular Imaging, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P. R. China
3. Department of Orthopedic, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P. R. China
4. Shanghai Institute of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, P. R. China
5. Department of Radiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P. R. China