1. Department of Radiology, Korea University Ansan Hospital, Ansan, Korea
2. Department of Radiology, Uijeongbu Eulji Medical Center, Uijeongbu, Korea
3. Institute of Human Genomic Study, College of Medicine, Korea University, Seoul, Korea
4. Department of Internal Medicine, Division of Endocrinology and Metabolism, Korea University College of Medicine, Seoul, Korea
5. Department of Internal Medicine, Division of Pulmonary, Sleep and Critical Care Medicine, Korea University Ansan Hospital, 123 Jeokgeum-ro, Danwon-gu, Ansan-si, Gyeonggi-do, 15355, Korea