Lentzen, Max-Philipp http://orcid.org/0000-0003-2041-5687
Riekert, Maximilian
Buller, Johannes
Grandoch, Andrea
Zirk, Matthias
Zoeller, Joachim E.
Kreppel, Matthias
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 10 April 2021
Accepted: 26 May 2021
First Online: 10 June 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study (retrospective study), formal consent is not required.
: The authors declare no competing interests.