1 1st Department of Cardiology, Medical University of Silesia, Katowice, Poland. kmiziastec@gmail.com.
2 European Reference Network of Heart Diseases (ERN GUARD-HEART). kmiziastec@gmail.com.
3 Department of Heart Failure and Transplantology, Mechanical Circulatory Support and Heart Transplant Unit, Cardinal Stefan Wyszynski National Institute of Cardiology, Warszawa, Poland.
4 Department of Analysis and Strategy, Ministry of Health of the Republic of Poland.
5 Department of Epidemiology and Health Promotion, School of Public Health, Centre of Postgraduate Medical Education, Warszawa, Poland.
6 1st Department of Cardiology, Medical University of Silesia, Katowice, Poland.
7 European Reference Network of Heart Diseases (ERN GUARD-HEART).
8 3rd Department of Cardiology, School of Medicine with the Division of Dentistry in Zabrze, Silesian Center for Heart Diseases, Medical University of Silesia, Katowice, Poland.
9 Department of Cardiomyopathy, National Institute of Cardiology, Warszawa, Poland.