Hohenhaus, Marc http://orcid.org/0000-0002-8743-3161
Watzlawick, Ralf
Masalha, Waseem
Volz, Florian
Scholz, Christoph
Hubbe, Ulrich
Klingler, Jan-Helge
Article History
Received: 31 July 2019
Revised: 1 April 2020
Accepted: 12 May 2020
First Online: 27 May 2020
Compliance with ethical standards
:
: The Department of Neurosurgery has a cooperation agreement with Ziehm Imaging (Nuremberg, Germany) and Stryker Cooperation (Freiburg, Germany). Ulrich Hubbe received financial support for teaching, speaking, consulting, traveling and lodging from Stryker and for speaking, traveling and lodging from Ziehm Imaging. The other authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this paper.
: The trial was approved by the local ethics committee of the University of Freiburg, Germany (Registration Number 445/16), and listed at the German Clinical Trials Register (DRKS00013634).