1. Department of Radiotherapy, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
2. Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
3. Department of Imaging Physics, Applied Physics Faculty, Delft University of Technology, Delft, the Netherlands
4. Care & Cure Research Lab of the Electromagnetics Group, Center for Care & Cure Technology (C3Te), Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
5. Department of Applied Radiation and Isotopes, Reactor Institute Delft, Delft University of Technology, Delft, the Netherlands