Affiliation: | (1) Department of Paediatrics, Nippon Medical School, Chiba-Hokusoh Hospital, 1715 Kamakari, Inba-gun, Inba-mura, 2701694 Chiba , Japan;(2) Department of Pathology, Nippon Medical School, Chiba-Hokusoh Hospital, Chiba, Japan;(3) Department of Pathology, Nippon Medical School, Chiba, Japan |