1. From the Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden (Z.H., A.S., U.A., L.W.); Department of Medical Sciences, Cardiology, Uppsala University, Uppsala, Sweden (Z.H., U.A., L.W.); Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden (A.S.); Duke University, Medical Center, Durham, NC (C.B.G., J.H.A., R.D.L.); Department of Cardiology, Oslo University Hospital and Faculty of Medicine, Institute for Clinical Medicine, University of Oslo, Oslo...