Department of Gastroenterology and Hepatology, TMDU Advanced Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
Shiro Yui, MD, PhD
Department of Gastroenterology and Hepatology, Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
Ryuichi Okamoto, MD, PhD
Correspondence Address correspondence to: Ryuichi Okamoto, MD, PhD, Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.; Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan