1 Department of Cardiology and Intensive Care Medicine, University Hospital OWL of Bielefeld University, Campus Klinikum Bielefeld, Bielefeld, Germany. Electronic address: thorsten.lawrenz@klinikumbielefeld.de.
2 Department of Cardiology and Intensive Care Medicine, University Hospital OWL of Bielefeld University, Campus Klinikum Bielefeld, Bielefeld, Germany.