1. Department of Imaging, Linyi Central Hospital, Linyi, Shandong, P. R. China
2. CT/MRI Room, Women’s and Children’s Health Care Hospital of Linyi, Shandong, P. R. China
3. Department of Imaging, Huangdao District Central Hospital of Qingdao, Shandong, P. R. China
4. Department of Orthopaedics, Yishui County People’s Hospital, Yishui, Shandong, P. R. China
5. Department of Nephrology, Yishui County People’s Hospital, Yishui, Shandong, P. R. China
6. Department of Radiology, Daigu Town Central Health Hospital, Mengyin, Shandong, P. R. China