c1 Refereed Journal Article, green in Sherpa: 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, LL 30.4.14 & 18.9.14-MMM, Requested (Wei) Accepted v & Permission 18.9.14-MMM