Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 3 June 2020
Revised: 7 July 2020
Accepted: 23 July 2020
First Online: 7 August 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Dr. Daniel Pinto dos Santos, University Hospital of Cologne (daniel.pinto-dos-santos@uk-koeln.de).
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Not applicable.
: Not applicable.
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