Green in Sherpa: Author's Pre-print: author can archive pre-print (ie pre-refereeing)
Author's Post-print: author cannot archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: author can archive publisher's version/PDF
General Conditions: On author's personal website, institutional repository or arXIv
    Publisher's version/PDF must be used
    In Press version must not be used
    Publisher copyright and source must be acknowledged with citation
    Must link to publisher version
    Creative Commons Attribution Non-Commercial Share Alike 3.0 License
    Articles are placed in PubMed Central after 2 months by publisher. --
16.5.16--MMM