Affiliation: | 1. Department of Cardiology, Paracelsus Medical Private University (PMU), Salzburg Landeskliniken, Muellner Hauptstrasse 48, Salzburg, 5020 Austria;2. Second Cardiology Department and Heart Failure Unit, University of Athens Medical School, Attikon University Hospital, Athens, Greece;3. Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Innsbruck, Austria;4. Department of Cardiology, Innsbruck Medical University, Innsbruck, Austria |