Kloth, Christopher
Vogele, Daniel
Brunner, Horst
Beer, Meinrad
Schmidt, Stefan Andreas
Article History
First Online: 13 December 2019
Compliance with ethical standards
:
: The authors declares that they have no conflicts 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.