Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Army Medical University, Chongqing Institute of Hypertension, China (Z. Zhao, X.L, H. Zhang, Q.L., H.H., Z.Y., F.S., Y.L., X.Z., X.B., H.W., Z. Zhu).