Pfeufer, Daniel http://orcid.org/0000-0001-6780-3316
Kammerlander, Christian
Stadler, Christian
Roth, Tobias
Blauth, Michael
Neuerburg, Carl
Böcker, Wolfgang
Zeckey, Christian
Lechleitner, Monika
Gosch, Markus
Article History
Received: 8 April 2020
Accepted: 27 July 2020
First Online: 10 August 2020
Ethical approval and consent to participate
: According to the Ethics Committee of the Medical University of Innsbruck no ethics approval is required for retrospective observational studies.
: Not applicable.
: The authors declare that they have no competing interests.