1. Department of Pathology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
2. Department of Pathology, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan
3. Department of Pulmonology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
4. Clinical Laboratory, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan
5. Department of Radiology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
6. Department of Histopatholy, Core Facility, Niigata University, Faculty of Medicine, Niigata City, Niigata, Japan
7. Department of Cardiology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
8. Department of Respiratory Medicine, Tachikawa General Hospital, Nagaoka, Niigata, Japan