Affiliation: | 1. Department of Internal Medicine, Seoul National University College of Medicine, , Seoul, Korea;2. Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, , Seoul, Korea;3. Department of Radiology, Seoul National University College of Medicine, , Seoul, Korea;4. Institute of Radiation Medicine, Seoul National University Medical Research Center, , Seoul, Korea;5. Seoul National University Hospital, Healthcare Gangnam Center, , Seoul, Korea |