Nordby, Yngve http://orcid.org/0000-0003-2237-4401
Richardsen, Elin
Ness, Nora
Donnem, Tom
Patel, Hiten R. H.
Busund, Lill-Tove
Bremnes, Roy M.
Andersen, Sigve
Article History
Received: 24 May 2017
Accepted: 14 November 2017
First Online: 24 November 2017
Competing Interests
: The authors declare that they have no competing interests.