1. Department of Internal Medicine, National Hospital Organization Kinki-chuo Chest Medical Center, Japan
2. Department of Laboratory Medicine and Pathology, National Hospital Organization Kinki-chuo Chest Medical Center, Japan
3. Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Japan
4. Department of Radiation Oncology, National Hospital Organization Kinki-chuo Chest Medical Center, Japan
5. Department of Radiology, Graduate School of Medicine, Osaka City University, Japan
6. Department of Radiology, National Hospital Organization Kinki-chuo Chest Medical Center, Japan
7. Division of Cardiology, National Hospital Organization Kinki-chuo Chest Medical Center, Japan