Savinainen, Saija E.
Viitasalo, Anna
Sallinen, Taisa M.
Jääskeläinen, Jarmo E. S.
Lakka, Timo A.
Article History
Received: 6 August 2019
Revised: 4 November 2019
Accepted: 25 December 2019
First Online: 12 February 2020
Competing interests
: The authors declare no competing interests.