Wang, Zhiyang http://orcid.org/0000-0003-1379-3153
Whipp, Alyce M.
Heinonen-Guzejev, Marja
Foraster, Maria
JĂșlvez, Jordi
Kaprio, Jaakko
Article History
Received: 27 April 2023
Revised: 20 November 2023
Accepted: 22 November 2023
First Online: 11 December 2023
Competing interests
: The authors declare no competing interests.
: The ethics committee of the Department of Public Health of the University of Helsinki (Helsinki, Finland), the ethics committee of the Helsinki University Central Hospital District (Helsinki, Finland), and the Institutional Review Board of Indiana University (Bloomington, Indiana, USA) approved the FinnTwin12 study protocol. All participants and their parents/legal guardians gave informed written consent to participate in the study. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008.