Heikkilä, Elisa
Salminen, Marika
Viljanen, Anna
Katajamäki, Taina
Koivula, Marja-Kaisa
Pulkki, Kari
Isoaho, Raimo
Kivelä, Sirkka-Liisa
Viitanen, Matti
Löppönen, Minna
Vahlberg, Tero
Viikari, Laura
Irjala, Kerttu
Article History
Received: 30 October 2020
Accepted: 5 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: The study was conducted according to the guidelines of the Declaration of Helsinki. The Ethics Committee of the Hospital District of Southwest Finland approved the study protocol. Participants provided written informed consent for the study.
: Not applicable.
: The authors declare that they have no competing interests.