Leuer, Laura
Krill, Angelika
Wilkens, Heinrike
Wagenpfeil, Gudrun
Bischoff, Markus
Meier, Carola
Bals, Robert
Tschernig, Thomas http://orcid.org/0000-0002-7788-1796
Article History
Received: 9 August 2019
Accepted: 29 October 2019
First Online: 9 November 2019
Compliance with Ethical Standards
:
: Authors declare that they have no disclosures.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of regional ethics committee (proposal 241/16) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.