1 Gottfried Schatz Research Center, Division of Medical Physics & Biophysics, Medical University of Graz, Graz, Austria.
2 Department of Cardiology, Maastricht University Medical Centre and Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands.
3 Gottfried Schatz Research Center, Division of Molecular Biology & Biochemistry, Medical University of Graz, Graz, Austria.