Følstad, Asbjørn https://orcid.org/0000-0003-2763-0996
Brandtzaeg, Petter Bae https://orcid.org/0000-0002-9010-0800
Funding for this research was provided by:
Research Council of Norway (270940)
Article History
Received: 4 May 2019
First Online: 11 April 2020
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there are no conflicts of interest.