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Authors
Kajonius, Petri J.
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Funding
Funding for this research was provided by:
Lund University
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Article History
Received: 8 September 2025
Accepted: 25 January 2026
First Online: 2 February 2026
Declarations
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: The authors declare no competing interests.
: The TwinLife project was ethically approved by the German Psychological Association (RR 11.2009 and RR 09.2013) and analyses pre-waived by the local ethics board at Lund University in Lund, Sweden.
