1. Department of Cardiology, Biomedical Engineering Group, Erasmus University Medical Center (Erasmus MC), Rotterdam, CN, The Netherlands
2. Holland Proton Therapy Center, Delft, JH, The Netherlands
3. Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
4. Department of Physics, KU Leuven at Kortrijk, Kortrijk, Belgium