1. From the Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences and Shanghai Jiao-Tong University School of Medicine, China (J.C., R.-F.Z., F.-F.L., Y.-L.L., C.W., Q.J.); and Department of Cardiology, Changhai Hospital, Shanghai, China (Y.-W.Q., S.H., X.-X.Z., Q.J.).