1. Division of Radiology, Department of Radiology, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.
2. Department of Radiology, Division of Functional and Diagnostic Imaging Research, Kobe University Graduate School of Medicine, Kobe, Japan.
3. Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Japan.
4. Department of Pathology, Division of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe, Japan.
5. Department of Surgery, Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.
6. Department of Internal Medicine, Division of Respiratory Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.