Rahbar, Kambiz http://orcid.org/0000-0002-4591-4055
Weckesser, Matthias
Ahmadzadehfar, Hojjat
Schäfers, Michael
Stegger, Lars
Bögemann, Martin
Article History
Received: 7 December 2017
Accepted: 16 January 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: The authors declare that they have no financial or non-financial 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 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.