Department of Clinical Biochemistry (A.L., B.G.N., M.B., P.R.K.) and The Copenhagen General Population Study (A.L., B.G.N., M.B., A.T.-H., P.R.K.), Herlev and Gentofte Hospital, Copenhagen University Hospital, Copenhagen, Denmark; The Copenhagen City Heart Study (B.G.N., M.B., A.T.-H.), Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark; Department of Clinical Biochemistry (A.T.-H.), Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark; Faculty of Health and Medical Sciences (A.L., B.G.N., A.T.-H., P.R.K.), University of Copenhagen, Copenhagen, Denmark.