HD 9/11/17. --
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: 	

    Pre-print can only be posted prior to acceptance
    Pre-print must be accompanied by set statement (see link)
    Pre-print must not be replaced with post-print, instead a link to published version with amended set statement should be made
    Pre-print on author's personal website, employer website, free public server or pre-prints in subject area
    Post-print on author's personal website immediately
    Post-print in Institutional repositories or Central repositories after 12 months embargo
    Publisher's version/PDF cannot be used
    Published source must be acknowledged
    Must link to publisher version
    Set phrase to accompany archived copy (see policy)
    Eligible authors may deposit in OpenDepot
    The publisher will deposit in PubMed Central on behalf of NIH authors. --
12 MONTHS EMBARGO for accepted v. ENDS March 2018, requested (Nelson), 17.11.17-MMM