1Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 VB Groningen, The Netherlands
2Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
3Department of Molecular Genetics, Oncode Institute, Erasmus MC, Rotterdam, The Netherlands
4piCHEM Forschungs und EntwicklungsGmbH, Raaba-Grambach, Graz, Austria
5Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
6Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
7Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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