Barz, Melanie http://orcid.org/0000-0001-8734-9309
Gerhardt, Julia
Bette, Stefanie
Aftahy, A. Kaywan
Huber, Thomas
Combs, Stephanie E.
Ryang, Yu-Mi
Wiestler, Benedikt
Skardelly, Marco
Gepfner-Tuma, Irina
Behling, Felix
Schmidt-Graf, Friederike
Meyer, Bernhard
Gempt, Jens
Funding for this research was provided by:
Technische Universität München
Article History
Received: 1 November 2020
Accepted: 29 September 2021
First Online: 15 November 2021
Declarations
:
: This retrospective, non-interventional bicentric study was approved by the local medical ethics committee, Technical University Munich, School of Medicine, (No. 5625–12) and is in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments [CitationRef removed].All patients sign a generally valid declaration of consent for participation in retrospective studies upon admission.
: With the consent for participation, all patients also give their permission for the results obtained to be published.
: JG, BM and SB work as consultants for Brainlab (Brainlab AG, Munich).YMR receives financial research grants from BrainLAB, Carl Zeiss Medical, DepuySynthes, Icotec, Medtronic, Silony, Spineart and Ulrich Medical. Furthermore, YMR works as a consultant for BrainLAB and Icotec.TH worked as a medical consultant for Brainlab AG (Munich, Germany) until 2016 and is head of scientific collaborations at Smart Reporting GmbH (Munich, Germany)—all unrelated to the present study.In addition, BM works as a consultant for Medtronic, Spineart, Icotec, Relievant and Depuy/Synthes. In these firms, BM acts as a member of the advisory board. Furthermore, BM reports a financial relationship with Medtronic, Ulrich Medical, Brainlab, Spineart, Icotec, Relievant and Depuy/Synthes. He received personal fees and research grants for clinical studies from Medtronic, Ulrich Medical, Brainlab, Icotec and Relievant. All this occurred independently of the submitted work. BM holds the royalties/patent for Spineart.All named potential conflicts of interest are unrelated to this study. All other authors declare no conflict of interest.