From the *Department of Endoscopy, Nagoya University Hospital; †Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine; and ‡Department of Pathology and Clinical Laboratories, Nagoya University Hospital, Nagoya, Japan.
Received for publication July 2, 2014; accepted February 20, 2015.
Reprints: Yoshiki Hirooka, MD, PhD, Nagoya University Hospital, 65 Tsuruma-cho, Showa-ku, Nagoya, Japan, 466-8550 (e-mail: [email protected]).
All authors approved the final version of the article. Author contribution: Y.N.: study concept and design, acquisition of data, analysis and interpretation of data, and drafting of the manuscript; H.G.: study supervision, and revision of the manuscript; Y.H.: study concept and design, acquisition of data, and drafting of the manuscript; A.I.: acquisition and interpretation of data, and revision of the manuscript; H.K. and E.O.: acquisition and interpretation of data; Y.I., T.H., H. Sugimoto, H. Sumi, D.H., T.K., K.F., M.N., and R.M.: acquisition of data; N.O., Y.K., and M.I.: interpretation of data.
The authors declare no conflict of interest.