Funding for this research was provided by:
RWTH Aachen University
Received: 16 May 2021
Accepted: 20 August 2021
First Online: 1 September 2021
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All the authors approved the manuscript.
: Professor Maffulli is Editor in Chief of the Journal of Orthopaedic Surgery and Research. The other authors declare no competing interests.