1. Department of Cardiology, Kepler University Hospital Linz; Medical Faculty of the Johannes Kepler University Linz; Linz Austria
2. Department of Cardiology, Clinic of Internal Medicine II; Paracelsus Medical University of Salzburg; Salzburg Austria
3. Institute of Nuclear Medicine and Endocrinology, Kepler University Hospital Linz; Medical Faculty of the Johannes Kepler University Linz; Linz Austria