1. Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.
2. Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea.
3. Department of Epidemiology and Biostatistics, Seoul National University School of Public Health, Seoul, Korea.
4. Department of Medical Humanities and Social Sciences, The Catholic University of Korea College of Medicine, Seoul, Korea.
5. Integrated Research Center for Genome Polymorphism, The Catholic University of Korea College of Medicine, Seoul, Korea.
6. Department of Biochemistry, School of Medicine, Kyungpook National University, Daegu, Korea.
7. Genomic Research Center for Lung and Breast/Ovarian Cancers, Korea University Anam Hospital, Seoul, Korea.
8. Division of Oncology/Hematology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
9. Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul, Korea.
10. Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, Seoul, Korea.
11. Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea.
12. Division of Pulmonary and Critical Care, Department of Internal Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea.
13. Department of Microbiology, The Catholic University of Korea College of Medicine, Seoul, Korea.
14. Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.