Schüler-Toprak, Susanne
Skrzypczak, Maciej
Ignatov, Tanja
Ignatov, Atanas
Ortmann, Olaf
Treeck, Oliver http://orcid.org/0000-0003-2353-9693
Article History
Received: 29 June 2020
Accepted: 22 July 2020
First Online: 19 August 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Not applicable.
: Not applicable.
: The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.