1. Cardiocenter, Department of Cardiology, 3rd Medical School, Charles University and University Hospital, Kralovske Vinohrady
2. Department of Medical Chemistry and Biochemistry, 2nd Faculty of Medicine, Charles University
3. 2nd Internal Clinic, University Hospital Královské Vinohrady and the 3rd Faculty of Medicine, Charles University
4. Department of Clinical Biochemistry and Pathobiochemistry, 2nd Faculty of Medicine, Charles University