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1 Department of Internal Medicine II, Paracelsus Medical University, 5020, Salzburg, Austria.
2 Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria. alexander.niessner@meduniwien.ac.at.
3 Department of Internal Medicine I and Cardiology, Teaching Hospital Feldkirch, Feldkirch, Austria.
1 Department of Internal Medicine II, Paracelsus Medical University, 5020, Salzburg, Austria.
2 Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria. alexander.niessner@meduniwien.ac.at.
3 Department of Internal Medicine I and Cardiology, Teaching Hospital Feldkirch, Feldkirch, Austria.