1. Division of Clinical Physiology, Department of Cardiology, Faculty of Medicine , University of Debrecen , Debrecen , Hungary
2. Kálmán Laki Doctoral School of Biomedical and Clinical Sciences , University of Debrecen , Debrecen , Hungary
3. Department of Cardiology, Faculty of Medicine , University of Debrecen , Debrecen , Hungary
4. Department of Surgery, Faculty of Medicine , University of Debrecen , Debrecen , Hungary
5. Department of Emergency Medicine, Faculty of Medicine , University of Debrecen , Debrecen , Hungary