Hefler, Lukas http://orcid.org/0000-0002-3353-3466
Lafleur, Judith
Kickmaier, Sonja
Leipold, Heinz
Siebenhofer, Carmen
Tringler, Barbara
Schauer, Christian
Ciresa-König, Alexandra
Reinthaller, Alexander
Article History
Received: 5 May 2018
Accepted: 22 August 2018
First Online: 4 September 2018
Compliance with ethical standards
:
: Approval for this study was obtained by the respective Institutional Review Boards (EK 484/2009).
: 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.
: For this type of study formal consent is not required.
: The authors declare that they have no conflict of interest.