Tusa, Nina
Kautiainen, Hannu
Elfving, Pia
Sinikallio, Sanna
Mäntyselkä, Pekka
Article History
Received: 10 January 2021
Accepted: 29 June 2021
First Online: 20 July 2021
Declarations
:
: The study protocol was approved by the Research Ethics Committee of the Northern Savo Hospital District (410/2016). Written informed consent to participate was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.