Charité Berlin, Neurosurgery, Berlin, Germany
University Hospital Frankfurt, Neurooncology, Frankfurt/Main, Germany
University Hospital Dresden, Neurosurgery, Dresden, Germany
University Hospital Heidelberg, Heidelberg, Germany
Eberhard-Karls-Universität Tübingen, Tübingen, Germany
Medizinische Universität Innsbruck, Innsbruck, Austria
Technische Universität München Klinikum rechts der Isar, München, Germany
German Cancer Research Center, Heidelberg, Germany
German Cancer Research Center, Heidelberg, Germany
National Center for Tumor Diseases (NCT), Heidelberg, Germany
National Center for Tumor Diseases, Heidelberg, Germany
German Cancer Research Center, Heidelberg, Baden-Württemberg, Germany