Frauen, Jan-Boje http://orcid.org/0000-0002-3427-2587
Article History
Received: 21 January 2020
Revised: 20 November 2020
Accepted: 18 July 2021
First Online: 16 August 2021
Declarations
:
: There was no funding.
: I declare that there is no conflict of interest in the publication of this article, and that there is no conflict of interest with any other author or institution for the publication of this article.
: Not applicable.
: Not applicable.
: I am the only author.
: I hereby declare that this manuscript is the result of my independent creation under the reviewer's comments. Except for the quoted contents, this manuscript does not contain any research achievements that have been published or written by other individuals or groups. I am the only author of this manuscript. The legal responsibility of this statement shall be borne by me.