category c1 Refereed Journal Article pt.7/9/12, LL 4/12/12. Yellow in Sherpa: Author's Pre-print: author can archive pre-print (ie pre-refereeing) Author's Post-print: subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) Restrictions: •12 months to 24 months embargo Publisher's Version/PDF: author cannot archive publisher's version/PDF General Conditions: •On author's personal website, institutional repository or subject repository •Publisher's version/PDF cannot be used •Set statement to accompany pre-print and authors post-print - see policy •Must link to publisher version with DOI Requested (Yanchun) Accetepd v & Permission 29.9.14-MMM