1 Department of Anesthesiology, Emergency and Intensive Care, Nemocnice České Budějovice, a.s., České Budějovice, Česká republika. Electronic address: josef.stepan87@gmail.com.
2 Department of Cardiac Surgery, Heart Centre, Nemocnice České Budějovice, a.s., České Budějovice, Česká republika.
3 Department of Anesthesiology, Emergency and Intensive Care, Nemocnice České Budějovice, a.s., České Budějovice, Česká republika.
4 Department of Cardiology, Heart Centre, Nemocnice České Budějovice, a.s., České Budějovice, Česká republika.