Müller, Catharina
Bergmann, Michael
Stift, Anton
Argeny, Stanislaus
Speake, Doug
Unger, Lukas
Riss, Stefan
Funding for this research was provided by:
Medical University of Vienna
Article History
Received: 16 August 2019
Accepted: 19 November 2019
First Online: 8 January 2020
Compliance with ethical guidelines
:
: C. Müller, M. Bergmann, A. Stift, S. Argeny, D. Speake, L. Unger, and S. Riss declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the institutional ethics committee (ECS 1498/2018). As it was a retrospective analysis no informed consent of the participants was required for this study. Patients were numbered consecutively and pseudoanonymized for further data analysis.