Myllyaho, Toni http://orcid.org/0000-0001-5203-3339
Siira, Virva
Wahlberg, Karl-Erik
Hakko, Helinä
Tikkanen, Ville
Läksy, Kristian
Roisko, Riikka
Niemelä, Mika
Räsänen, Sami
Funding for this research was provided by:
Emil Aaltosen Säätiö
Oulun Yliopistollinen Sairaala
Stiftelsen Alma och K. A. Snellman Säätiö
Itla, Children's Foundation
Article History
Received: 9 July 2020
Accepted: 22 December 2020
First Online: 5 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The Finnish Adoptive Family Study was approved by the Ethics Committee of Oulu University Hospital on 2 May 1988. The study design was reviewed and reapproved on 15 October 1991 by the Ethics Committee of Oulu University Hospital. The study design was evaluated to have followed the ethical practices of the time.