Funding for this research was provided by:
Innlandet Hospital Trust (Invoice address Grant Number: Innlandet Hospital Trust nr. 150223/0303 Aud Kari Lillehaug, Innlandet Hospital Trust, P.O. Box 104, N-2381 Brumunddal, Norway aud.kari.lillehaug@sykehuset-innlandet.no)