OA - HD 4/1/17. --
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: Some individual journals may have policies prohibiting pre-print archiving
    On author's personal website or departmental website immediately
    On institutional repository or subject-based repository after a 18 months embargo
    Publisher's version/PDF cannot be used
    On a non-profit server
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    Must link to publisher version
    Set statements to accompany deposits (see policy)
    The publisher will deposit in on behalf of authors to a designated institutional repository including PubMed Central, where a deposit agreement exists with the repository. -
FROM PUBLISHER WEBSITE: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), Full-text added 15.2.17-MMM