Funding for this research was provided by:
University of Innsbruck and Medical University of Innsbruck
Received: 24 April 2020
Accepted: 26 August 2020
First Online: 11 September 2020
Compliance with Ethical Standards
: The authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this paper.
: 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 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study according to local regulations.