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Authors
Liu, Can https://orcid.org/0000-0003-2580-7903
Långström, Niklas
Ekéus, Cecilia
Frisell, Thomas
Cnattingius, Sven
Hjern, Anders
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Funding
Funding for this research was provided by:
Stockholms Universitet
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Article History
Received: 29 June 2018
Accepted: 22 April 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: The study was approved by the Regional Research Ethics Committee in Stockholm (2013/1058–32). Under the Data Protection Act (Swe. lag (2018:218)), no consent to participate was required in this study.
: Individual consent is not required since data is anonymised when delivered to the researchers.
: The authors report no conflict of interest.
