Institution: | 1. Department of Sonography, Shengjing Hospital of China Medical University, Heping District, Shenyang, 110004, China;2. Department of Radiology, Shengjing Hospital of China Medical University, Heping District, Shenyang, 110004, China;3. Department of Radiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China |