Majuri, Tuomas http://orcid.org/0000-0001-8838-7585
Haapea, Marianne
Nordström, Tanja
Säynäjäkangas, Veera
Moilanen, Kristiina
Tolonen, Jonna
Ala-Mursula, Leena
Miettunen, Jouko
Jääskeläinen, Erika
Funding for this research was provided by:
the Finnish Medical Foundation
the University of Oulu Scholarship Foundation
the Finnish Psychiatric Research Foundation
Oulu University Hospital
the Juho Vainio Foundation
the Yrjö Jahnsson Foundation
the Academy of Finland (316563)
University of Oulu including Oulu University Hospital
Article History
Received: 17 January 2023
Accepted: 3 August 2023
First Online: 11 August 2023
Declarations
:
: The authors declare that they have no conflict of interest.
: The study has been approved by the Ethics Committee of the Northern Ostrobothnia Hospital District and relevant keepers of the registers. The study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. According to Finnish legislation, individual consents are not needed for solely register-based studies.
: NFBC data is available from the University of Oulu, Infrastructure for Population Studies. Permission to use the data can be applied for research purposes via electronic material request portal. In the use of data, we follow the EU general data protection regulation (679/2016) and Finnish Data Protection Act. The use of personal data is based on cohort participants written informed consent at their latest follow-up study, which may cause limitations to its use. Please, contact the NFBC project center (NFBCprojectcenter@oulu.fi) and visit the cohort website (ExternalRef removed) for more information.
: Not applicable.