1. Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
3. Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Department of Preventive Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
5. Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
6. Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
7. Department of Information Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.