[1] Vilnius Univ, Fac Med, Inst Clin Med, Ctr Neurol,Clin Neurol & Neurosurg, Vilnius, Lithuania
[2] Vilnius Univ, Fac Med, Inst Clin Med, Ctr Cardiol & Angiol,Clin Cardiac & Vasc Dis, Vilnius, Lithuania
[3] Vilnius Univ, Fac Med, Inst Clin Med, Ctr Cardiac Surg,Clin Cardiac & Vasc Dis, Vilnius, Lithuania
[4] Vilnius Univ Hosp, Santaros Klin, Dept Informat Syst, Ctr Informat & Dev, Vilnius, Lithuania
[5] Vilnius Univ, Fac Math & Informat, Dept Math Stat, Vilnius, Lithuania