1. Department of Nephrology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, South Chungcheong, South Korea
2. Department of Radiology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, South Chungcheong, South Korea
3. Department of Neurology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, South Chungcheong, South Korea