1. From the Department of Cardiology, Kailuan Hospital, Hebei United University, Tangshan, China (S.W., H.Z., C.R., Y.W., A.X., C.J.); The First Affiliated Hospital, Xiamen University Medical School, Xiamen, China (Z.H.); Department of Cardiology, Chaoyang Hospital (X.Y., K.L., J.C.) and Department of Neurology, Beijing TianTan Hospital (Y.Z., A.W), Capital Medical University, Beijing, China; and Texas Heart Institute, Houston, TX (L.C.).