Affiliation: | 1. Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan;2. Department of Pathology, Mito Kyodo Hospital, Ibaraki, Japan;3. Department of Pathology, Mito Saiseikai Hospital, Ibaraki, Japan;4. Department of Pathology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan |