Müller, Peter Ernst
Gallik, David
Hammerschmid, Florian
Baur-Melnyk, Andrea
Pietschmann, Matthias Frank
Zhang, Anja
Niethammer, Thomas Richard
Article History
Received: 10 January 2019
Accepted: 5 August 2019
First Online: 12 August 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures were performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1864 Helsinki declaration and its later amendments or comparable ethical standards.