Spiller, Waldemar http://orcid.org/0000-0001-6365-4958
Funding for this research was provided by:
FernUniversität in Hagen
Article History
Received: 12 September 2021
Accepted: 13 June 2022
First Online: 3 August 2022
Change Date: 2 November 2022
Change Type: Update
Change Details: Missing Open Access funding information has been added in the funding Note.
Declarations
:
: Not applicable.
: I hereby declare that this manuscript is the result of my independent creation under the reviewers' comments. Except for the quoted contens, this manuscript does not contain any research achievements that have been published or written by other individuals oder groups. I am the only author of this manuscript. The legal responsibility of this statement shall be borne by me.