MA 12/1/17. -- White in Sherpa: Author's Pre-print: author cannot 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 cannot archive publisher's version/PDF. General Conditions:NIH authors may post articles in PubMed Central for public release 12 months after publication for nominal charge REF authors may post articles the Author's post-print in an institutional repository with a 12 months embargo Publisher's version/PDF cannot be used May link to publisher version, from Author's personal website only. - (no request 12.1.17-MMM)