Burla, Laurin http://orcid.org/0000-0002-5457-3272
Scheiner, David
Samartzis, Eleftherios Pierre
Seidel, Stefan
Eberhard, Markus
Fink, Daniel
Boss, Andreas
Imesch, Patrick
Article History
Received: 2 January 2019
Accepted: 6 April 2019
First Online: 12 April 2019
Compliance with ethical standards
:
: The author Laurin Burla declares that he has no conflict of interest. The author David Scheiner declares that he has no conflict of interest. The author Eleftherios Pierre Samartzis declares that he has no conflict of interest. The author Stefan Seidel declares that he has no conflict of interest. The author Markus Eberhard declares that he has no conflict of interest. The author Daniel Fink declares that he has no conflict of interest. The author Andreas Boss declares that he has no conflict of interest. The author Patrick Imesch declares that he has no conflict of interest.
: All the 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. This study was approved prior to its initiation by the cantonal ethics committee of Zurich (2016–00613).
: Informed consent was obtained from all individual participants included in the study.