Department of Anaesthesiology and Intensive Care, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Lithuania; Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: marija.svetikiene@santa.lt. Department of Anaesthesiology and Intensive Care, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Lithuania; Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: donata.ringaitiene@santa.lt. Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: jevgenija.vezeliene@santa.lt. Department of Anaesthesiology and Intensive Care, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Lithuania; Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: viktoras.isajevas@santa.lt. Faculty of Medicine, Vilnius University, Vilnius, Lithuania. Electronic address: trybe.dainus@gmail.com. Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Faculty of Medicine, Vilnius University, Vilnius, Lithuania. Electronic address: vaidas555@gmail.com. Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania. Electronic address: radvile.malickaite@santa.lt. Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania. Electronic address: laimute.jurgauskiene@santa.lt. Department of Mathematical Statistics, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, Vilnius, Lithuania. Electronic address: j.norkuniene1@gmail.com. Department of Anaesthesiology and Intensive Care, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Lithuania; Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: mindaugas.serpytis@santa.lt. Department of Anaesthesiology and Intensive Care, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Lithuania; Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania. Electronic address: jurate.sipylaite@santa.lt.