Salminen, Marika
Viljanen, Anna
Eloranta, Sini
Viikari, Paula
Wuorela, Maarit
Vahlberg, Tero
Isoaho, Raimo
Kivelä, Sirkka-Liisa
Korhonen, Päivi
Irjala, Kerttu
Löppönen, Minna
Viikari, Laura
Article History
Received: 26 August 2019
Accepted: 11 October 2019
First Online: 25 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.