Affiliation: | ∗ Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands;† Accelerator Department, Paul Scherrer Institut, Villigen, Switzerland;‡ Kernfysisch Versneller Instituut, University of Groningen, Groningen, the Netherlands;§ Department of Cell Biology, Section Radiation and Stress Cell Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands |