1. Department of Laboratory, Toyooka Hospital, Toyooka, Hyogo, Japan
2. Department of Diagnostic Pathology, Toyooka Hospital, Toyooka, Hyogo, Japan
3. Department of Orthopedics, Asago-Medical Center, Asago, Hyogo, Japan
4. Department of General Medicine, Asago-Medical Center, Asago, Hyogo, Japan
5. Department of Histopathology and Cytology, Japanese Red Cross Kyoto Daini Hospital, Kyoto City, Kyoto, Japan
6. Department of Pathology, Kindai University Faculty of Medicine, Osaka-Sayama, Osaka, Japan
7. Kansai Medical University, Hirakata, Osaka, Japan