1. Department of Internal Medicine, Seoul National University Hospital , 101 Daehak-ro, Jongno-gu, Seoul 03080 , Republic of Korea
2. Genome Opinion Incorporation , Seoul 04799 , Republic of Korea
3. Department of Pathology, Stanford University School of Medicine , Stanford, CA 94305 , USA
4. Cancer Research Institute, Seoul National University Hospital , 101 Daehak-ro, Jongno-gu, Seoul 03080 , Republic of Korea
5. Department of Internal Medicine, Seoul National University College of Medicine , 101 Daehak-ro, Jongno-gu, Seoul 03080 , Republic of Korea
6. Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center , Seoul , Korea
7. Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University, Liverpool Chest and Heart Hospital , Liverpool , UK
8. Danish Center for Health Services Research, Department of Clinical Medicine, Aalborg University , Aalborg , Denmark
9. Biomedical Research Institute, Seoul National University Hospital , 101 Daehak-ro, Jongno-gu, Seoul 03080 , Republic of Korea