Zuschlag, David http://orcid.org/0000-0003-1724-4565
Kulas, Philipp
Schick, Bernhard
Bozzato, Alessandro
Article History
Received: 5 January 2019
Accepted: 20 March 2019
First Online: 29 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study is based on research involving human participants. This article does not contain any studies with animals performed by any of the authors.
: All procedures performed in this study 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 (Identification number of the Institutional Review Board: 167/13).
: Informed consent was obtained from all individual participants included in the study.