Lyn 14/7/17 SHERPA/ROMEO: Author's Pre-print: author can archive pre-print (ie pre-refereeing) Author's Post-print: author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: author cannot archive publisher's version/PDF General Conditions: Author's pre-print on Author's personal website, employers website or publicly accessible server Author's post-print on Author's server or Institutional server If funding rules apply authors may post Author's post-print version in funder's designated repository Author's Post-print - Publisher copyright and source must be acknowledged with citation (see above set statement) Author's Post-print - Must link to publisher version with DOI Publisher's version/PDF cannot be used Publisher copyright and source must be acknowledged. Full-text made visible 14/7/17. Publisher's version/PDF added to dark upload for ERA LL 6/3/18