Sunde, M. L. http://orcid.org/0000-0002-7005-8430
Negård, A.
Øresland, T.
Bakka, N.
Geitung, J. T.
Færden, A. E.
Funding for this research was provided by:
Akershus University Hospital (267901)
Universitetet i Oslo (10822760)
Article History
Accepted: 1 March 2018
First Online: 9 March 2018
Compliance with ethical standards
: The study was approved by the regional and local ethics committee (REK no 2014/2206).
: The authors declare that they have no conflicts of interest.