Schlosser, Paul D.
Grundgeiger, Tobias
Sanderson, Penelope M.
Happel, Oliver
Article History
Received: 27 September 2018
Accepted: 23 January 2019
First Online: 5 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict 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. The hospital’s ethics committee was informed about the study and on 13 December 2017 we received a waiver that no ethics clearance was required.
: was obtained from all individual participants included in the study.