Efferdinger, Christiane
König, Dorothea
Klaus, Alexander
Jagsch, Reinhold http://orcid.org/0000-0002-3864-6048
Article History
Received: 6 October 2016
Accepted: 1 March 2017
First Online: 7 April 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.