Funding for this research was provided by:
Universitätsklinikum Düsseldorf. Anstalt öffentlichen Rechts
Received: 17 June 2021
Accepted: 9 July 2021
First Online: 6 August 2021
Change Date: 13 September 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s40001-021-00574-y
: For this letter an ethics approval was not necessary.
: All authors gave consent for the publication.
: The authors declare that they have no competing interests.