Funding for this research was provided by:
Universitätsklinikum Augsburg
Article History
Received: 13 September 2021
Accepted: 3 February 2022
First Online: 16 March 2022
Declarations
:
: Not applicable, since the study is based on summary-level data. In all original studies, ethical approval and consent to participate had been obtained.
: Not applicable.
: The authors declare that they have no competing interests.