Affiliation: | 1.Department of Diagnostic Radiology, Tan Tock Seng Hospital, 11, Jalan Tan Tock Seng, Singapore, 308433, Singapore ;2.Department of Radiology, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea ;3.Lee Kong Chian School of Medicine, 11, Mandalay Road, Singapore, 308232, Singapore ; |