Institution: | aDivision of Histopathology, Department of Pathology, Tohoku University Graduate School of Medical Science, Sendai, Japan bThe 2nd Department of Internal Medicine, Hiroshima University, Japan cDepartment of Pathology and Oncology, University of Occupational and Environmental Health, Kitakusyu, Fukuoka, Japan dDepartment of Pathology, Kyoto University Hospital, Japan |