Hetterich, Madeleine
Gerken, Michael
Ortmann, Olaf
Inwald, Elisabeth C.
Klinkhammer-Schalke, Monika
Eggemann, Holm
Ignatov, Atanas http://orcid.org/0000-0002-9006-4029
Article History
Received: 6 October 2020
Accepted: 23 February 2021
First Online: 15 March 2021
Declarations
:
: The authors 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. This article does not contain any studies with animals performed by any of the authors.
: Written informed consent was obtained from all patients before treatment. The local Ethics Committee of the Otto-von-Guericke University, Magdeburg, Germany ruled that no formal ethics approval was required for this study.