Perhoniemi, Riku http://orcid.org/0000-0002-3199-3952
Blomgren, Jenni http://orcid.org/0000-0001-5466-0205
Laaksonen, Mikko http://orcid.org/0000-0002-6979-9872
Article History
Received: 29 December 2022
Accepted: 15 May 2023
First Online: 7 June 2023
Declarations
:
: The authors declare no competing interests.
: The need for both ethics approval and informed consent are waived, authorized by Finnish National Board on Research Integrity. In Finland, they not required for studies based solely on administrative register data (Finnish National Board on Research Integrity).
: Not applicable.