[1] Univ Hosp Ctr Zagreb, Cardiol Clin, Zagreb, Croatia
[2] Univ Zagreb, Sch Med, Zagreb, Croatia
[3] Univ Hosp Ctr Zagreb, Dept Nephrol Hypertens Dialysis & Transplantat, Zagreb, Croatia
[4] Univ Brescia, Ist Sci Clin & Sperimentali, Clin Med, Brescia, Italy