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: 	green tick  author can archive publisher's version/PDF
General Conditions: 	

    On authors' personal website or institutional repository
    Published source must be acknowledged
    Must link to journal homepage with DOI
    Creative Commons Attribution Non-Commercial No Derivatives License 4.0
    Publisher's version/PDF may be used
    NIH Authors articles will be automatically submitted to PubMed Central upon online publication
    If required by funding agency, authors may use a Creative Commons Attribution License
    Author retain copyright. --
Full-text added 18.6.185-MMM