YAMAGUCHI Takahiro, OGAWA Masaru, KURIHARA Jun, MAKIGUCHI Takaya, YOKOO Satoshi (Dept. of OMS, and Plastic Surgery, Gunma Univ. Graduate School of Medicine)

SHIGETA Takashi, MATSUI Taiki, WATAGOSHI Kenta, AKAZAWA Noboru (Dept. of OMS, Hyogo Cancer Center, Hyogo, Japan)

KANNO Naomi¹, SATO Motofusa¹, TERADA Kazuhiro^1,2, IIZAKA Keito¹, YOSHIDA Toshio¹, FUKUZAWA Satoshi¹, UCHIDA Fumihiko¹, YAMAGATA Kenji¹, YANAGAWA Toru^1,3, BU (1.Dept. of OMS, Faculty of Medicine, Univ. of Tsukuba, Ibaraki Japan, 2.Dept. of OMS, Kitaibaraki City Hospital, Ibaraki, Japan, 3.Dept. of OMS, Ibaraki Prefectural Center of Medical Education and Training, Univ. of Tsukuba Hospital, Ibaraki, Japan)

UCHIDA Kenichiro, TAKENAWA Takanori, UMEDA Hirotsugu, HORINAGA Daijyu, HARADA Kohji, MISHIMA Katsuaki (Dept. of OMS Yamaguchi Univ. Graduate School of Medicine)

NIIYAMA Takashi¹, RIN Shin¹, HATA Hironobu², IMAMACHI Kenji², UEDA Michihiro¹ (1.Dept. of Clinical Oral Oncology, National Hospital Organization, Hokkaido Cancer Center, 2.Dept. of OMS, National Hospital Organization, Hokkaido Cancer Center)