Möttönen, Julius https://orcid.org/0000-0001-7366-5140
Kuitunen, Ilari https://orcid.org/0000-0001-8178-9610
Ponkilainen, Ville T. https://orcid.org/0000-0002-5026-4560
Mattila, Ville M. https://orcid.org/0000-0001-9946-4830
Funding for this research was provided by:
Maire Taposen Säätiö
Yrjö Jahnssonin Säätiö
Päivikki ja Sakari Sohlbergin Säätiö
Tampere University
Article History
Received: 16 February 2024
Accepted: 3 March 2025
First Online: 23 March 2025
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: We received permission to access the Care Register for Health Care from Findata (the Finnish data authority; permission number: THL/2058/14.02.00/2020). Permission to use Statistics Finland´s Degree/Qualification-data was acquired from Statistics Finland (Permission number: TK/2426/07.03.00/2022). According to the Finnish research legislation, ethical committee evaluation is not required for register-based retrospective studies. The data are pseudonymized by Statistics Finland and the authors do not have access to the pseudonymization key. The data are processed and stored in a safe remote-controlled data environment. Due to the law of secondary use of patient information, none of our data can be made available for researchers living outside Finland.
: Pseudonymized register-based retrospective studies do not require written or oral informed consent from participants or parents/legal guardians according to Finnish legislation.
: Pseudonymized register-based retrospective studies do not require written or oral informed consent from participants or parents/legal guardians according to Finnish legislation.