Andersen, Sigve
Richardsen, Elin
Nordby, Yngve
Ness, Nora
Størkersen, Øystein
Al-Shibli, Khalid
Donnem, Tom
Bertilsson, Helena
Busund, Lill-Tove
Angelsen, Anders
Bremnes, Roy M
Article History
Received: 6 November 2013
Accepted: 28 May 2014
First Online: 14 June 2014