1. Cardiovascular Center; Na Homolce Hospital; Prague Czech Republic
2. Department of Physiology; First Faculty of Medicine; Charles University in Prague; Prague Czech Republic
3. Department of Clinical Biochemistry, Hematology, and Immunology; Na Homolce Hospital; Prague Czech Republic
4. Department of Nuclear Medicine; Na Homolce Hospital; Prague Czech Republic
5. Faculty of Biomedical Engineering; Czech Technical University in Prague; Prague Czech Republic