1 Department of Cardiology and Intensive Care, St Josef Hospital, Braunau, Austria; Department of Cardiology and Intensive Care, Kepler University Hospital Linz, Braunau, Austria; Paracelsus Medical University Salzburg, Linz Salzburg Austria. Electronic address: johann.auer@khbr.at.
2 Department of Internal Medicine 3, Karl Landsteiner University of Health Sciences, University Hospital St. Pölten, St. Pölten, Austria.