Marhold, Franz
Popadic, Branko
Rechberger, Philipp
Berger-Brabec, Sonja
Decristoforo, Ingo
Sherif, Camillo
Scheichel, Florian https://orcid.org/0000-0002-3628-2308
Article History
Received: 1 May 2021
Accepted: 16 September 2021
First Online: 11 October 2021
Declarations
:
: This retrospective study was approved by the Ethics Committee of the Karl Landsteiner University of Health Sciences, Krems, Austria, approval no.: 1056/2020. The study was conducted in accordance with the ethical standards of our institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare no competing interests.