1) Oita University, Oita, Japan
2) NTT Medical Center, Tokyo, Japan
3) Tokai University, Isehara, Japan
4) Tokyo Dental College, Tokyo, Japan
5) Toho University, Tokyo, Japan
6) National Defense Medical College, Tokorozawa, Japan

Tomonori Akagi¹⁾, Yohei Kono¹⁾, Kentaro Nakajima²⁾, Hidefumi Shiroshita¹⁾, Tsuyoshi Etoh¹⁾, Seiichiro Yamamoto³⁾, Hirotoshi Hasegawa⁴⁾, Yoshihisa Saida⁵⁾, Hideki Ueno⁶⁾, Masafumi Inomata¹⁾