Helminen, Harri
Inkala, Arto
Article History
Received: 30 December 2025
Accepted: 9 June 2026
First Online: 11 June 2026
Declarations
:
: Not applicable. The study did not involve human participants, animals, or procedures requiring institutional ethical approval. Not applicable. No human participants were involved.
: Not applicable.
: The authors declare no competing interests.