From the Divisions of Nephrology and Hypertension (A.E., Z.L., X.Z., J.D.K., J.R.W., X.-Y.Z., H.T., S.M.H., S.C.T., L.O.L.) and Cardiovascular Diseases (A.L., L.O.L.), Mayo Clinic, Rochester, MN; Division of Vascular Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China (Z.L.). (At 2012-11)