1. Department of Pathology; Fukuoka University Hospital and School of Medicine; Fukuoka Japan
2. Division of Pathology; Yamaguchi Grand Medical Center; Hofu Japan
3. Department of Pathology; Tokyo Women's Medical University Yachiyo Medical Center; Yachiyo Japan
4. Department of Pathology; Osaka Prefectural Hospital Organization; Osaka Prefectural Medical Center for Respiratory and Allergic Disease; Habikino Japan
5. Department of Pathology; Kawasaki Medical School Hospital; Okayama Japan
6. Department of Surgical Pathology; Hokkaido University Hospital; Sapporo Japan
7. Department of Pathology and Clinical Laboratory; National Kyushu Cancer Center; Fukuoka Japan
8. Department of Pathology; Hyogo College of Medicine; Hyogo Japan