Funding for this research was provided by:
Universitätsklinikum Hamburg-Eppendorf (UKE)
Article History
Accepted: 28 May 2023
First Online: 21 June 2023
Declarations
:
: Open Access funding enabled and organized by Projekt DEAL.
: Judith Dams, Johann-Jacob Zapp and Hans-Helmut König have no conflicts of interest that are directly relevant to the content of this article.
: Not applicable.
: Not applicable.
: Not applicable.
: Not applicable.
: Not applicable.
: JD developed the methodological approach of this study, performed the data synthesis and produced the first draft of the manuscript. JD and JZ reviewed the literature and assessed the quality of the included studies. The final version of the manuscript was reviewed, edited and approved by all authors.