1. From the Departments of Surgery (B.M.W.d.V., G.M.v.D., J.S.d.J., C.J.Z.) and Cell Biology (J.L.H.), University of Groningen; and Departments of Cardiology (R.A.T.) and Nuclear Medicine and Molecular Imaging (R.H.J.A.S.) and Cardiovascular Imaging Group Groningen (R.A.T., R.H.J.A.S., C.J.Z.) and BioOptical Imaging Center Groningen (G.M.v.D.), University Medical Center Groningen, Groningen, the Netherlands.