1. From the Department of Cardiovascular Science and Medicine (T. Kunieda, T. M., J.-i.N., K.T., T.O., T. Katsuno, H.M., M.O., S.O., T.N., I.K.), Chiba University Graduate School of Medicine, Chiba, Japan, and Department of Gastroenterology (M.T., S.K.), Graduate School of Medicine, Kanazawa University, Kanazawa, Japan.