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Authors
Majuri, Tuomas https://orcid.org/0000-0001-8838-7585
Haapea, Marianne
Huovinen, Hanna
Nordström, Tanja
Ala-Mursula, Leena
Penttilä, Matti
Martimo, Kari-Pekka
Miettunen, Jouko
Jääskeläinen, Erika
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Article History
Received: 25 June 2020
Accepted: 7 December 2020
First Online: 5 January 2021
Compliance with ethical standards
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: The authors declare that they have no conflict of interest.
: The NFBC1966 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.
: Not applicable.
