1. Department of Cardiovascular Medicine, Vilnius University, 01513 Vilnius, Lithuania
2. Vilnius University Hospital Santaros Clinics, 08661 Vilnius, Lithuania
3. Department of Mathematical Statistics, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
4. Department of Human and Medical Genetics, Vilnius University, 01513 Vilnius, Lithuania