Sočan, Jaka
Isaksen, Geir Villy
Brandsdal, Bjørn Olav
Åqvist, Johan http://orcid.org/0000-0003-2091-0610
Article History
Received: 9 July 2019
Accepted: 30 November 2019
First Online: 16 December 2019
Competing interests
: The authors declare no competing interests.