Berge, T
Leikfoss, I S
Brorson, I S
Bos, S D
Page, C M
Gustavsen, M W
Bjølgerud, A
Holmøy, T
Celius, E G
Damoiseaux, J
Smolders, J
Harbo, H F
Spurkland, A
Article History
Received: 5 May 2015
Revised: 5 November 2015
Accepted: 11 November 2015
First Online: 14 January 2016
Competing interests
: TB has received an unrestricted grant for running expenses in this project from Biogen Idec Norway AS, ISL has received unrestricted grant for salary expenses from Novartis Norway AS and TH has received research grants from Merck Serono.