1. From the Departments of Cardiology (F.F., L.Q., J.J., Y.Y., J.L., Y.Z., Y.H.) and Clinical Laboratory (H.L.), Peking University First Hospital, Beijing, China; State Key Laboratory for Organ Failure Research, Renal Division, National Clinical Research Center for Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China (X.X., X.Q.); and Department of Emergency, Tsinghua University, YuQuan Hospital, Beijing, China (Y.L.).