1. From the Departments of Clinical Medicine (M.M.B., M.K.H., J.F.B.) and Biomedicine (A.K.H., F.D.-H., J.G.M.), Aarhus University, Aarhus, Denmark; Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark (M.M.B., M.K.H., J.F.B.); and Department of Clinical Biochemistry, Rigshospitalet, Copenhagen, Denmark (C.C.).