Lappalainen, Liisa
Liira, Juha
Lamminpää, Anne
Article History
Received: 18 February 2020
Accepted: 27 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors report no declarations of interest.
: The research plan was accepted by the Research Ethics Committee of the Medical Faculty of Helsinki University.
: The participants gave their informed consent to participate in the study included in the questionnaire forms.