1. From the Medizinische Klinik und Poliklinik I, Universität Würzburg, Würzburg, Germany (M. Nahrendorf, K.H., S.F., P.N., S.G., W.R.B., G.E.); Center for Molecular Imaging Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, Mass (M.N., F.A.J., C.T., D.S., R.W.); Physikalisches Institut (EP5), Universität Würzburg, Würzburg, Germany (K.H., S.V., P.J.); Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, Mass (M. Novikov,...