1. From Section for Cardiovascular and Renal Research, Department of Cardiology (F.M.F., A.C.L., S.E.K.), Department of Preventive Cardiology (U.H., V.N.K.), Department of Acute Medicine (M.R.), and Department of Nephrology (I.O., A.S., A.H.), Medical Clinic; Section for Interventional Cardiology, Department of Cardiology, Heart-, Lung-, and Vascular-Disease Clinic (P.H., E.F., M.B.); and Section for Vascular Intervention, Department of Radiology, Clinic for Laboratory Medicine (E.G.), Oslo University...