Aigner, Karl R. http://orcid.org/0000-0003-2952-6180
Selak, Emir http://orcid.org/0000-0002-6366-5793
Aigner, Kornelia http://orcid.org/0000-0002-1751-7079
Article History
Received: 28 September 2018
Accepted: 27 October 2018
First Online: 31 October 2018
Compliance with ethical standards
:
: Karl Reinhard Aigner declares that he has no conflict of interest. Emir Selak declares that he has no conflict of interest. Kornelia Aigner declares that she has 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.