Caugant, Dominique A. http://orcid.org/0000-0003-2765-9844
Brynildsrud, Ola B. http://orcid.org/0000-0001-7566-4133
Article History
Accepted: 25 September 2019
First Online: 8 November 2019
Competing interests
: The authors declare no competing interests.