1. From the Howard Hughes Medical Institute and Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Md (P.M., F.S., J.H., T.H., C.V.E., D.L., H.C.D.); Division of Cardiac Surgery, University Hospital, Basel/Berne, Switzerland (P.M.); Department of Cardiovascular Surgery, University of Berne, Switzerland (F.S.); Johns Hopkins Proteomics Center, Baltimore, Md (P.M., F.S., Q.F., J.E.V.E.); Laboratory of Clinical Investigation, National Institute on Aging, Bethesda, Md (O...