Schwab, Christoph
Paar, Margret https://orcid.org/0000-0001-5494-8890
Fengler, Vera Heike https://orcid.org/0000-0002-5124-1491
Lindner, Ewald https://orcid.org/0000-0001-9651-8573
Haas, Anton
Ivastinovic, Domagoj
Seidel, Gerald https://orcid.org/0000-0003-2622-2894
Weger, Martin
Wedrich, Andreas https://orcid.org/0000-0003-2533-7067
Oettl, Karl
Article History
Received: 24 July 2019
Accepted: 30 December 2019
First Online: 11 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee (registered at the Office for Human Research Protections of the US Departments of Health and Human Services: IRB00002556) 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.