LM 09/11/18. 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
General Conditions: Author's pre-print on author's personal website, non-commercial pre-print server
    Author's post-print on author's personal website immediately
    Author's post-print on institutional repository or funder designated repository after 12 months embargo from first online publication
    Publisher's version/PDF cannot be used
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    Must link to publisher version with DOI
    Post-prints are subject to Springer Nature re-use terms. accepted v. requested (Eynon) 12 MTH EMBARGO TILL OCT 31ST 2019, see Self-archiving Policy for set statement. LL 14/11/18  Funder information added Lyn 12/12/18. Removed file, added publisher v. to dark upload, LL 30/9/19. Accepted v requested, (Eynon) rec'd, file & statement added, LL 28/8/2020