ScienceDirect no longer supports Internet Explorer 8
From 1 January 2016 the ScienceDirect e-journals and e-books service will no longer be supporting Internet Explorer 8.
ScienceDirect users are asked to use Firefox, Chrome or IE version 9 or above.
Visit ScienceDirect to find out more.
Article text (excluding photos or graphics) available under an Attribution-NonCommercial-ShareAlike Creative Commons license.
Photos and graphics subject to third party copyright used with permission or © Imperial College London.