Affiliation: | a Department of Radiology, Mackay Memorial Hospital, Taipei 10449, Taiwan b Department of Radiology, Taipei Medical University, Taipei 11042, Taiwan c Mackay Medicine, Nursing and Management College, Taipei 11260, Taiwan d Department of Pediatrics, Mackay Memorial Hospital, Taipei 10449, Taiwan e Department of Pediatrics, Taipei Medical University, Taipei 11042, Taiwan f Department of Radiological Technology, Yuanpei University, Hsinchu 30015, Taiwan |