1. Departments of Clinical Pharmacology (S.K., Y.S., S.Y., R.O., T.W., H.T., T.S.), University of Toyama, Toyama 930-0194, Japan
2. Sainou Hospital (H.I.), Toyama 930-0887, Japan
3. Pathology (T.O., M.S.), University of Toyama, Toyama 930-0194, Japan