Ketterer, M. C.
Arndt, S.
Knopf, A.
Jakob, T. F.
Beck, R.
Aschendorff, A.
Article History
Accepted: 19 October 2020
First Online: 26 January 2021
Compliance with ethical guidelines
:
: M. C. Ketterer, S. Arndt, A. Knopf, T. F. Jakob, R. Beck and A. Aschendorff declare that they have no competing interests.
: For this article no studies with human participants or animals were performed by any of the authors. All studies performed were in accordance with the ethical standards indicated in each case. Additional written informed consent was obtained from all individual participants or their legal representatives for whom identifying information is included in this article.
: The supplement containing this article is not sponsored by industry.