Leppänen, Marja H. http://orcid.org/0000-0001-6933-8809
Ray, Carola
Wennman, Heini
Alexandrou, Christina
Sääksjärvi, Katri
Koivusilta, Leena
Erkkola, Maijaliisa
Roos, Eva
Funding for this research was provided by:
Academy of Finland
Samfundet Folkhälsan
Helsingin Yliopisto
Opetus- ja Kulttuuriministeriö
Sosiaali- ja Terveysministeriö
Juho Vainion Säätiö
Signe ja Ane Gyllenbergin Säätiö
Etelä-Pohjanmaan Rahasto
Päivikki ja Sakari Sohlbergin Säätiö
Medicinska Understödsföreningen Liv och Hälsa
Article History
Received: 16 August 2019
Accepted: 19 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study was approved by the University of Helsinki Ethical Review Board in the Humanities and Social and Behavioral Sciences in February 2015 (#6/2015). Guardians gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.