Walsh, D. A.
Lake, D. S.
Snedden, E. W.
Cliffe, M. J.
Graham, D. M. http://orcid.org/0000-0001-6234-9943
Jamison, S. P. http://orcid.org/0000-0001-7213-580X
Article History
Received: 4 August 2016
Accepted: 29 June 2017
First Online: 4 September 2017
Change Date: 23 November 2017
Change Type: Correction
Change Details: The original version of this Article contained an error in the abstract, referring to “multi-megawatt-per-metre” instead of “multi-megavolt-per-metre”. This has now been corrected in both the PDF and HTML versions of the Article.
Competing interests
: The authors declare no competing financial interests.