Lavonius, Sirkku
Salminen, Marika
Vahlberg, Tero
Isoaho, Raimo
Kivelä, Sirkka-Liisa
Wuorela, Maarit
Löppönen, Minna
Viitanen, Matti
Viikari, Laura
Article History
Received: 25 October 2019
Accepted: 18 February 2020
First Online: 5 March 2020
Compliance with ethical standards
:
: The authors declare they have no conflict of interest.
: 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.