1. Department of Pathology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
2. Department of Pathology, Kurashiki General Hospital, Kurashiki, Okayama, Japan
3. Department of Nephrology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
4. Department of Oncology, Nagaoka Central Hospital, Nagaoka, Niigata, Japan
5. Department of Radiology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
6. Department of Cardiology, Tachikawa General Hospital, Nagaoka, Niigata, Japan
7. Core Facility, Niigata University Faculty of Medicine, Niigata City, Niigata, Japan