Arozal, W., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan, Department of Pharmacology, Faculty of Medicine, University of Indonesia, Jakarta 10430, Indonesia; Watanabe, K., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan; Veeraveedu, P.T., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan; Ma, M., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan; Thandavarayan, R.A., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan; Sukumaran, V., Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima Akiha-ku, Niigata City 956-8603, Japan; Suzuki, K., Department of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; Kodama, M., First Department of Internal Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; Aizawa, Y., First Department of Internal Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan