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Article History

First Online: 19 July 2019

Compliance with Ethical Standards

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: Christoph Straube received a scholarship from Medac GmbH, received a travel grant from NovoCure Ltd., contributed to a brochure for patients about GBM which was partially sponsored by NovoCure Ltd., and received speakers honoria from Teva Pharmaceutical Industries Ltd. and Roche. Kerstin A. Kessel declares that she has no conflict of interest. Claus Zimmer has served on scientific advisory boards for Philips and Bayer Schering, serves as co-editor on the Advisory Board of Clinical Neuroradiology, has received speaker honoraria from Bayer-Schering and Philips, and has received research support and investigator fees for clinical studies from Biogen Idec, Quintiles, MSD Sharp & Dohme, Boehringer Ingelheim, Inventive Health Clinical UK Ltd., Advance Cor, Brainsgate, Pfizer, Bayer-Schering, Novartis, Roche, Servier, Penumbra, WCT GmbH, Syngis, SSS International Clinical Research, PPD Germany GmbH, Worldwide Clinical Trials Ltd., Phenox, Covidien, Actelion, Medivation, Medtronic, Harrison Clinical Research, Concentric, Penumbra, Pharmtrace, Reverse Medical Corp., Premier Research Germany Ltd., Surpass Medical Ltd., and GlaxoSmithKline. Friederike Schmidt-Graf served as an author for Medac GmbH. Jürgen Schlegel declares that he has no conflict of interest. Jens Gempt serves as a consultant for BrainLab. Bernhard Meyer serves as a consultant for BrainLab. Stephanie E. Combs has served on advisory boards of Bristol-Myers Squibb (BMS), Roche, Novocure, Daiichi Synkio, Astra Zeneca, Icotec, and Varian Medical Systems; has served on an advisory board and speaker’s bureau for BrainLab; and has received speaker’s honoraria from BrainLab, Accuray, Dr. Sennewald, BMS, Astra Zeneca, Roche, Varian Medical Systems, Icotec, Elekta, Novocure, and Medac GmbH.

: This article does not contain any studies with human or animal subjects performed by any of the authors.