Affiliation: | (1) First Department of Pathology, Fukuoka University, School of Medicine, 34 Nanakuma, Nishi-ku, 814 Fukuoka, Japan;(2) First Department of Surgery, Fukuoka University, School of Medicine, Fukuoka;(3) Department of Oral Pathology, Faculty of Dentistry, Kyushu University, Fukuoka, Japan |