Bjørklund, Geir
Gurgas, Leonard
Hangan, Tony
Article History
Received: 18 December 2025
Accepted: 4 February 2026
First Online: 25 February 2026
Declarations
:
: This manuscript is a secondary analysis of previously published, non-identifiable aggregate data and involved no new recruitment or interventions. Ethics approval was therefore not required. The primary studies were conducted in accordance with the Declaration of Helsinki and local institutional ethics requirements, as reported in the source publications.
: Not applicable.
: Not applicable.
: The authors declare no competing interests.