Jörger, Ann-Kathrin http://orcid.org/0000-0001-7514-9350
Wimmer, Nikolaus
Lange, Nicole
Wagner, Arthur
Janssen, Insa
Krieg, Sandro
Meyer, Bernhard
Shiban, Ehab
Article History
Received: 30 June 2018
Accepted: 16 October 2018
First Online: 23 October 2018
Compliance with ethical standards
:
: Sandro Krieg (SK) is consultants for Nexstim Plc (Helsinki, Finland) and received honoraria from Medtronic (Meerbusch, Germany) and Carl Zeiss Meditec (Oberkochen, Germany). SK and Bernhard Meyer (BM) received research grants and are consultants for Brainlab AG (Munich, Germany). BM received honoraria, consulting fees, and research grants from Medtronic (Meerbusch, Germany), icotec ag (Altstätten, Switzerland), and Relievant Medsystemy Inc. (Sunnyvale, CA, USA), honoraria, and research grants from Ulrich Medical (Ulm, Germany), honoraria and consulting fees from Spineart Deutschland GmbH (Frankfurt, Germany) and DePuy Synthes (West Chester, PA, USA), and royalties from Spineart Deutschland GmbH (Frankfurt, Germany).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the ethical committee of the faculty of medicine of Technische Universität München and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.