Sinikumpu, Suvi-Päivikki
Keränen, Maija-Helena
Jokelainen, Jari
Keinänen-Kiukaanniemi, Sirkka
Huilaja, Laura
Article History
Received: 17 March 2021
Accepted: 29 September 2021
First Online: 14 October 2021
Declarations
:
: The Ethical Committee of the Northern Ostrobothnia Hospital District approved the study (115/2012) which was performed according to the principles of the Helsinki Declaration of 1983. Informed written consent to participate was obtained by all study participants.
: not applicable.
: The authors declare that they have no competing interests.