Affiliation: | 1. Department of Internal Medicine, Hanyang University Guri Hospital and Hanyang University College of Medicine, Seoul, Korea;2. Department of Radiology, Ajou University Hospital, Ajou University College of Medicine, Suwon, Korea;3. Department of Radiology, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea;4. Department of Radiology, Hanyang University Guri Hospital and Hanyang University College of Medicine, Seoul, Korea |