1. Department of Thoracic and Cardiovascular Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
2. Patient-Centered Outcomes Research Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
3. Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
4. Department of Clinical Research Design and Evaluation, SAIHST, Sungkyunkwan University, Seoul, South Korea
5. Center for Clinical Epidemiology, Samsung Medical Center, Seoul, South Korea
6. Departments of Epidemiology and Health, Behavior, and Society, Baltimore, MD, USA
7. Seoul National University Bundang Hospital and Seoul National University College of Medicine, Seongnam, South Korea
8. Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
9. Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hwasun Hospital, Chonnam National University School of Medicine, Hwasun, South Korea
10. Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea