Open AccessArticle by Krisztian Istvan Kassa 1,2,*, Zsofia Nagy 2, Daniel Simkovits 2, Zsuzsanna Kis 2, Tamas Ferenci 3,4, Zoltan Som 2, Csaba Foldesi 2 and Attila Kardos 2 1 Karoly Racz Doctoral School of Clinical Medicine, Semmelweis University, 1085 Budapest, Hungary 2 Gottsegen National Cardiovascular Center, 1096 Budapest, Hungary 3 Physiological Controls Research Center, Obuda University, 1034 Budapest, Hungary 4 Department of Statistics, Corvinus University of Budapest, 1093 Budapest,...