1. Department of Radiology, Medical Imaging Center, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713GZ Groningen, The Netherlands
2. Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
3. Translational Surgical Oncology, Department of Surgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1/BA44, 9713GZ Groningen, The Netherlands