Barelkowski, Tomasz https://orcid.org/0000-0002-0087-4993
Wust, Peter
Kaul, David
Zschaeck, Sebastian
Wlodarczyk, Waldemar
Budach, Volker
Ghadjar, Pirus
Beck, Marcus
Article History
Received: 23 June 2019
Accepted: 28 November 2019
First Online: 23 December 2019
Compliance with ethical guidelines
:
: T. Barelkowski, P. Wust, D. Kaul, S. Zschaeck, W. Wlodarczyk, V. Budach, P. Ghadjar, and M. Beck declare that they have no competing interests.
: This retrospective study was approved by the ethics committee of our institution.