Ridwan, Sami
Grote, Alexander
Simon, Matthias
Article History
Received: 8 August 2020
Accepted: 10 December 2020
First Online: 8 January 2021
Competing interests
: The author(s) declare no competing interests in relation to this work. Sami Ridwan, the corresponding author, is a consultant for Brainlab AG outside this work. No financial or other benefits resulted in relation to this study.