Bäck, Sari http://orcid.org/0000-0003-1910-1031
Skaffari, Essi http://orcid.org/0000-0003-1451-534X
Vepsäläinen, Henna http://orcid.org/0000-0002-0177-3609
Lehto, Reetta http://orcid.org/0000-0002-2289-2746
Lehto, Elviira http://orcid.org/0000-0002-1577-6683
Nissinen, Kaija http://orcid.org/0000-0003-0391-1101
Ray, Carola http://orcid.org/0000-0002-1443-3531
Nevalainen, Jaakko http://orcid.org/0000-0001-6295-0245
Roos, Eva http://orcid.org/0000-0003-3521-6517
Erkkola, Maijaliisa http://orcid.org/0000-0002-6966-1523
Korkalo, Liisa http://orcid.org/0000-0002-0525-9877
Funding for this research was provided by:
Folkhälsan Research Center
University of Helsinki
Ministry of Education and Culture in Finland
Ministry of Social Affairs and Health
Academy of Finland (285439, 287288, 288038, 315816, 315817)
Juho Vainion Säätiö
Signe ja Ane Gyllenbergin Säätiö
Finnish Cultural Foundation/South Ostrobothnia Regional Fund
Päivikki ja Sakari Sohlbergin Säätiö
Medicinska Understödsföreningen Liv och Hälsa
Finnish Foundation for Nutrition Research
Finnish Food Research Foundation
University of Helsinki including Helsinki University Central Hospital
Article History
Received: 29 January 2021
Accepted: 31 August 2021
First Online: 15 September 2021
Declarations
:
: Liisa Korkalo was a board member of the company TwoDads at the time of the study. The authors declare that they have no other conflict of interest.
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and approved by the University of Helsinki Ethical Review Board in the Humanities and Social and Behavioural Sciences on 24 February 2015 (Statement 6/2015).
: A parent or legal guardian of each participant provided a written informed consent.
: Not applicable.