1. Department of Cardiology, University Hospitals Leuven, Leuven, Belgium
2. Department of Nuclear Medicine, University Hospitals Leuven, Leuven, Belgium
3. Leuven Biostatistics and Statistical Bioinformatics Centre (L-BioStat), KU Leuven, Leuven, Belgium
4. Department of Internal Medicine, Cardiology, University Hospital Oldenburg, Oldenburg, Germany