1. Division of Respirology, Neurology, and Rheumatology, Department of Medicine, Kurume University School of Medicine, Japan
2. Department of Radiology, Kurume University School of Medicine, Japan
3. Division of Pathology, Department of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences, Japan
4. Department of Pathology, Nagasaki University Hospital, Japan
5. Department of Pathology, Kanagawa Cardiovascular and Respiratory Center, Japan