1. From the Department of Cardiology, Juntendo University School of Medicine, Tokyo (Y.K., K.S., H.D.); Departments of Urology (M.W., N.K., Y.N., H.K.) and Neuroscience (H.Y., K.T.), Okayama University Graduate School of Medicine and Dentistry, Okayama; and National Cardiovascular Center Research Institute, Osaka (T.S.), Japan.