1. Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
2. Department of Diagnostic Pathology, Kyoto Medical Center, Kyoto, Japan
3. Department of Pathology, Japan Red Cross Society Wakayama Medical Center, Wakayama, Japan
4. Department of Pathology, School of Medicine, Kochi University Faculty of Medicine, Nankoku, Japan
5. Department of Pharmacology, Toxicology & Therapeutics, Division of Physiology & Pathology, Showa University School of Pharmacy, Tokyo, Japan