Editor-in-Chief		Shiro KOZUMA	University of Tokyo, Faculty of Medicine	Tokyo
Associate Editors		Hideaki ISHIDA	Red Cross Hospital, Center of Diagnostic Ultrasound	Akita
		Hiroshi KANAI	Tohoku University, Graduate School of Engineering	Miyagi
Area Editors	Physics & Engineering	Hiroyuki HACHIYA	Tokyo Institute of Technology, Graduate School of Science and Engineering	Tokyo
		Nobuki KUDO	Graduate School of Information Science and Technology, Hokkaido University	Hokkaido
	Cardiology	Kazuhiro YAMAMOTO	Tottori UNiversity, Facultyl of Medicine	Tottori
		Katsufumi MIZUSHIGE	National Hospital Organization, Takamatsuhigashi National Hospital	Kagawa
		Makoto SUZUKI	Toho University Ohashi Medical Center	Tokyo
	Gastroenterology	Yasukiyo SUMINO	Toho University, School of Medicine	Tokyo
		Shoichi MATSUTANI	Chiba College of Health Science	Chiba
		Yasutomo FUJII (Executive Secretary)	Jichi Medical University, School of Medicine	Tochigi
	Integrated Sonology	Toshiko HIRAI	Nara Medical University	Nara
		Eriko TOHNO	University of Tsukuba, Graduate School of Comprehensive Human Sciences	Ibaraki
	Urology	Yoshizo ITOH	Kyoto Second Red Cross Hospital	Kyoto
	Obstetrics & Gynecology	Akihiko KIKUCHI	Iwate Medical University, School of Medicine	Iwate
		Mamoru TANAKA	Keio University, School of Medicine	Tokyo