Fell, A. K. M.
Svendsen, M. V.
Kim, J.-L.
Abrahamsen, R.
Henneberger, P. K.
Torén, K.
Blanc, P. D.
Kongerud, J.
Funding for this research was provided by:
Telemark Hospital
Article History
Received: 2 February 2018
Accepted: 28 June 2018
First Online: 6 July 2018
Ethics approval and consent to participate
: This study was conducted with the approval of The Regional Committee for Medical and Health Research Ethics in Norway (REC 2012/1665). All study participants have given their informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.