Ruf, Michael
Pitzen, Tobias
Nennstiel, Ivo
Volkheimer, David
Drumm, Jörg
Püschel, Klaus
Wilke, Hans-Joachim http://orcid.org/0000-0001-6007-8844
Funding for this research was provided by:
Deutsche Wirbelsäulenstiftung
Universitätsklinikum Ulm
Article History
Received: 9 December 2020
Revised: 1 August 2021
Accepted: 11 October 2021
First Online: 13 November 2021
Declarations
:
: The author’s declared that they have no conflict of interest.
: The study was approved by the ethics committee of the University of Ulm (No. 46/13).