Salonen, Laura http://orcid.org/0000-0001-8295-7073
Blomgren, Jenni http://orcid.org/0000-0001-5466-0205
Laaksonen, Mikko http://orcid.org/0000-0002-6979-9872
Funding for this research was provided by:
Academy of Finland (293103, 314250)
Article History
Received: 17 December 2019
Accepted: 22 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: The study used secondary data retrieved from registers, and thus no ethics approval was required according to Finnish law. Good scientific practice and data protection regulations were followed in the collection, use and reporting of the data. Kela, the Finnish Centre for Pensions, and Statistics Finland provided permission to use the register-based data.
: Not applicable.
: The authors declare that they have no competing interests.