1. Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
2. Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
3. Department of Radiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Radiology, Institute of Medical Science, Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Korea.
5. Department of Radiology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
6. Department of Radiology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
7. Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea.
8. Department of Radiology, Eulji University College of Medicine, Eulji University Hospital, Daejeon, Korea.
9. Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
10. Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
11. Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
12. Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.
13. National Evidence-based Healthcare Collaborating Agency, Seoul, Korea.
14. Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.