Affiliation: | Toshihiro Inokuchi, Sakiko Hiraoka, Hideyuki Suzuki, Asuka Nakarai, Tomoko Hirakawa, Mitsuhiro Akita, Sakuma Takahashi, Keita Harada, Hiroyuki Okada, Kazuhide Yamamoto, Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, JapanJun Kato, Second Department of Internal Medicine, Wakayama Medical University, Wakayama 641-0012, Japan |