Document is current
Any future updates will be listed below
-
Authors
Hodnebrog, Øivind
Myhre, Gunnar
Samset, Bjørn H.
- License Information
-
More Information
Article History
Received: 16 May 2014
Accepted: 26 August 2014
First Online: 25 September 2014
Competing interests
: The authors declare no competing financial interests.
