1. From the Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China (X.-Y.Z., C.S., S.-Y.X., W.-H.X., W.-L.X., L.C., B.-B.Y., B.Z., Y.W., J.T.); and Department of Cardiology, ShiyanTaihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China (Z.C.).