YOKOHAMA CITY UNIVERSITY HOSPITAL NOTICE OF APPROVAL OF IRB PROTCOL NUMBER:B120510019 PRINCIPAL INVESTIGATOR: Takuma Higurashi, MD Department of Gastroenterology, Yokohama City Univercity 3-9 Fukuura, Kanazawaku, Yokohama 236-0004, Japan CO-INVESTIGATOR(S): Atushi Nakajima, MD, PhD, Hirokazu Takahashi, MD, PhD, Hiroki Endo, MD, PhD, Eiji Sakai, MD, TITLE: Eicosapentaenoic acid (EPA) efficacy for colorectal aberrant crypt foci (ACF): A double-blind randomized controlled trial PERFORMANCE SITE(S): Yokohama City University Hospital, Department of Gastroenterology, Chigasaki Municipal Hospital, Gastroenterology Division, Yokohama Rosai Hospital, Department of Gastroenterology, TYPE OF APPROVAL: INITIAL EXPIRATION DATE: 31/5/2017 EFFECTIVE DATE: 1/6/2012 Fumiki Hirahara, MD Principal of Yokohama City University Hospital Date: May 11th, 2012