category c1 Refereed Journal Article pt.7/9/12, LL 22/11/12. ID22209 duplicate deleted MA 27/9/13. Yellow in Sherpa: author can archive pre-print (ie pre-refereeing), subject to Restrictions below, author can archive post-print (ie final draft post-refereeing): Restrictions: If signed CTA, only allowed with written permission; 0 to 24 months depending on journal and funding agency requirements, author cannot archive publisher's version/PDF, 13.1.14-MMM & 21.8.14 Published Jan/Feb 2012, Requested (Patrick) Accepted v. & Permission, 21.8.14-MMM. Both received 16.9.14-MMM. Supporting documentation added to dark upload - HD 13/11/17