1. From the Henderson Research Centre and McMaster University, Hamilton, Ontario, Canada (J.Z., G.H.W., S.L., A.B.L.D., S.K.S., G.S.H., R.C.A.); Clinical Biochemistry, Aarhus University Hospital (Skejby), Aarhus, Denmark (J.M.); Biomedical Laboratory, University of Southern Denmark, Odense, Denmark (M.R.H.); the Department of Cardiology, Aarhus University Hospital (Skejby), Aarhus, Denmark (E.F.); the University of Iowa Carver College of Medicine, Iowa City, Iowa (S.D.); and the University of Iowa...