Schippinger, Walter
Glechner, Anna
Horvath, Karl
Sommeregger, Ulrike
Frühwald, Thomas
Dovjak, Peter
Pinter, Georg
Iglseder, Bernhard
Mrak, Peter
Müller, Walter
Ohrenberger, Gerald
Mann, Eva
Böhmdorfer, Birgit
Roller-Wirnsberger, Regina http://orcid.org/0000-0002-1273-6520
Article History
Received: 12 June 2018
Accepted: 30 August 2018
First Online: 27 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The local ethics committee at Medical University of Graz stated that this study does not need any approval as no personal data are required.
: For this type of study, formal consent is not required.