1. 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland;
2. 1st Department of Cardiology, Medical University of Gdansk, Gdansk, Poland;
3. Students Research Club, Maria Sklodowska-Curie Medical Academy, Warsaw, Poland;
4. Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy;
5. Research Unit, Polish Society of Disaster Medicine, Warsaw, Poland;
6. Cardinal Wyszynski National Institute of Cardiology, Warsaw, Poland;
7. Henry JN Taub Department of Emergency Medicine, Baylor College of Medicine, Houston, TX, USA;
8. Institute of Outcomes Research, Maria Sklodowska-Curie Medical Academy, Warsaw, Poland