1. From the Department of Cardiology (P.K., M.S., M.Za., P.M., J.E.) and Department of Biochemistry, Centre of Excellence for Translational Medicine (P.K., M.S., J.K., M.Za., M.Zi.), University of Tartu, Tartu, Estonia; Heart Clinic (P.K., P.M., K.K., J.E.) and Clinic of Vascular Surgery (J.K.), Tartu University Hospital, Tartu, Estonia.