Funding for this research was provided by:
Heinrich-Heine-Universität Düsseldorf
Article History
Received: 9 March 2021
Revised: 4 July 2021
Accepted: 22 July 2021
First Online: 31 July 2021
Declarations
:
: MRK reports personal fees from Globus Medical, outside the submitted work. The other authors declare no conflict of interest relevant to this work.
: This study was approved by the local ethics committee (registry number 2020–896) and was conducted according to the revised declaration of Helsinki.