1. Division of Pulmonology, Department of Internal Medicine, Konyang University Hospital, Daejeon, Korea.
2. Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Korea.
3. Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Genomictree, Inc., Daejeon, Korea.
5. Department of Thoracic and Cardiovascular Surgery, Konyang University Hospital, Daejeon, Korea.