1. Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Vienna, Austria
2. 1st Chair and Department of Cardiology, Medical University Of Warsaw, Warsaw, Poland
3. Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
4. 1st Department of Cardiology, Poznan University of Medical Sciences, Pozna, Poland
5. Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology, Medical University of Warsow, Warsaw, Poland