1 Department of Internal Medicine II (Cardiology), University Heart Center Regensburg, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany.
3 Institute of Pathology, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany.
4 Department of Internal Medicine II (Cardiology), University Heart Center Regensburg, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany. julian.mustroph@ukr.de.