White in Sherpa: Author's Pre-print: question mark archiving status unclear Author's Post-print: grey tick subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) Restrictions: 12 months embargo Publisher's Version/PDF: cross author cannot archive publisher's version/PDF General Conditions: On institutional repository NIH authors of Health Affairs journal may post authors' own version in PubMed Central for release 12 month after publication Publisher's version/PDF cannot be used. -- Full-text added to Dark upload for ERA2018.--8.3.18-MMM