Affiliation: | 1. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC;2. National Yang-Ming University, School of Medicine, Taipei, Taiwan, ROC;3. Ultrasound Department, The General Hospital of People''s Liberation Army, Beijing, China;4. Yuanpei University of Medical Technology, Hsinchu, Taiwan, ROC;5. Yee Zen Hospital, Taoyuan, Taiwan, ROC;6. Lo-Hsu Medical Foundation Lotung Poh-Ai Hospital, Yilan, Taiwan, ROC |