1. Office of Clinical Research Information, Asan Institute of Life Sciences, Asan Medical Center, Seoul, Korea
2. Department of Pulmonology and Critical Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
3. Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
4. Department of Biomedical Informatics, Asan Medical Center, Seoul, Korea
5. Department of Emergency Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
6. Clinical Research Center, Asan Institute of Life Sciences, Asan Medical Center, Seoul, Korea
7. Human Research Protection Center, Asan Institute of Life Sciences, Asan Medical Center, Seoul, Korea