Umu, Özgün Candan Onarman http://orcid.org/0000-0003-4060-7766
Mydland, Liv Torunn
Øverland, Margareth
Press, Charles McLean
Sørum, Henning
Article History
Received: 19 February 2020
Accepted: 20 May 2020
First Online: 10 June 2020
Competing interests
: The authors declare no competing interests.