Kampman, N.
Busch, A. http://orcid.org/0000-0002-3279-5202
Bertier, P. http://orcid.org/0000-0003-1770-412X
Snippe, J.
Hangx, S.
Pipich, V.
Di, Z.
Rother, G.
Harrington, J. F.
Evans, J. P.
Maskell, A.
Chapman, H. J.
Bickle, M. J.
Article History
Received: 27 October 2015
Accepted: 17 June 2016
First Online: 28 July 2016
Competing interests
: N.K., A.B. and J.S. are employed by Shell Global Solutions International. All other authors delare no competing financial interests.