28.3.18-MMM. --
Green in Sherpa: Author's Pre-print: 	green tick  author can archive pre-print (ie pre-refereeing)
Author's Post-print: 	green tick  author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: 	cross  author cannot archive publisher's version/PDF
General Conditions: 	

    On author's personal website
    On institutional repository, pre-print server or research network after 12 months embargo
    Publisher's version/PDF cannot be used
    Set statement to accompany deposit (see policy)
    Publisher copyright and source must be acknowledged
    NIH authors will have their final paper, (post peer review, copy-editing and proof-reading) deposited in PubMed Central on their behalf 12 months embargo
    Must link to publisher version with DOI. --
12 MONTHS EMBARGO for accepted v. ENDS August 2018, requested 20.4.18-MMM