Bertl, Michael H.
Frey, Clemens
Bertl, Kristina
Giannis, Katharina
Gahleitner, André
Strbac, Georg D.
Article History
Received: 2 October 2017
Accepted: 15 January 2018
First Online: 1 February 2018
Compliance with ethical standards
:
: Michael H. Bertl declares that he has no conflict of interest. Clemens Frey declares that he has no conflict of interest. Kristina Bertl declares that she has no conflict of interest. Katharina Giannis declares that she has no conflict of interest. André Gahleitner declares that he has no conflict of interest. Georg D. Strbac declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.