MA 19/11/15.
Green in 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: Authors retain copyright
Pre-print on any website.
Author's post-print on author's personal website, departmental website, institutional website or institutional repository.
On other repositories including PubMed Central after 12 months embargo.
Publisher copyright and source must be acknowledged.
Publisher's version/PDF cannot be used. 
12.1.16-MMM
Moved published v to Dark, LL 18/12/2020