Fuchs, Michael https://orcid.org/0000-0003-4330-586X
Faber, Irene Renate https://orcid.org/0000-0002-4994-0453
Lames, Martin https://orcid.org/0000-0002-0249-2884
Article History
Received: 30 November 2018
Accepted: 8 February 2019
First Online: 11 March 2019
Compliance with ethical guidelines
:
: M. Fuchs, I.R. Faber and M. Lames declare that they have no competing interests.
: 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 1975 Helsinki declaration and its later amendments or comparable ethical standards.