1. Collegium Medicum, Jan Kochanowski University in Kielce, 25-317 Kielce, Poland
2. Intensive Cardiac Care Unit, Świętokrzyskie Cardiology Center, 25-736 Kielce, Poland
3. The Rheumatology Department, The Province Hospital in Końskie, 26-200 Końskie, Poland
4. Department of Bioinformatics and Telemedicine, Jagiellonian University Medical College, 30-688 Kraków, Poland
5. Outpatient Treatment Facility “CenterMed”, 25-314 Kielce, Poland
6. Keele Cardiac Research Group, Keele University, Keele ST5 5BG, UK