1. Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum, University Cancer Center Hamburg, University Medical Center Hamburg, Eppendorf, Hamburg, Germany
2. Institute of Clinical Chemistry, Hubertus Wald Tumorzentrum, University Cancer Center Hamburg, University Medical Center Hamburg, Eppendorf, Hamburg, Germany
3. Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, University of Groningen, Groningen, The Netherlands