Article History
Received: 9 September 2022
Accepted: 30 November 2022
First Online: 7 February 2023
Declarations
:
: This was a retrospective study of published materials. Ethics approval was not required.
: Not applicable.
: ST is an editor-in-chief of <i>Trials</i>. FS is an associate editor of <i>Trials</i>. The other authors declare that they have no competing interests.