1. Department of Cardiology, Faculty of Health Sciences, Medical University of Silesia in Katowice, Ziołowa Street 45-47, 40-635 Katowice, Poland
2. Department of Cardiology, Independent Public Provincial Hospital, Jana Pawła II 10, 43-170 Zamość, Poland
3. Department of Cardiac Rehabilitation and Health Promotion, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz, Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland
4. Mossakowski Medical Research Institute, Polish Academy of Sciences, Adolfa Pawińskiego 5, 02-106 Warsaw, Poland
5. Institute of Nursing and Midwifery, Jagiellonian University Medical College, Michałowskiego 12, 31-008 Krakow, Poland
6. Institute of Cardiology Collegium Medicum, Jagiellonian University, 31-008 Krakow, Poland
7. Department of Internal Medicine and Gerontology, Medical Center for Postgraduate Education, 01-813 Warsaw, Poland
8. Department of Population Medicine, Medical University Bialystok, M. Skłodowskiej-Curie 24A, 15-089 Bialystok, Poland