Foss-Skiftesvik, J. http://orcid.org/0000-0002-0259-8128
Scheie, D.
Klausen, C.
Sehested, A.
Skjøth-Rasmussen, J.
Article History
Received: 26 April 2018
Accepted: 30 May 2018
First Online: 5 June 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there are no conflicts of interest.