1. Division of Respiratory and Critical Medicine, Department of Medicine; Samsung Medical Center, Sungkyunkwan University School of Medicine; Seoul Republic of Korea
2. Department of Radiology and Center for Imaging Science; Samsung Medical Center, Sungkyunkwan University School of Medicine; Seoul Republic of Korea
3. Department of Pathology; Samsung Medical Center, Sungkyunkwan University School of Medicine; Seoul Republic of Korea
4. Department of Radiology; Soonchunhyang University Bucheon Hospital, Soonchunhyang University School of Medicine; Bucheon Republic of Korea
5. Department of Radiology; Soonchunhyang University Seoul Hospital, Soonchunhyang University School of Medicine; Seoul Republic of Korea