HD 25/2/16. Sherpa Journal: Human Resources for Health [1] (ISSN: 1478-4491, ESSN: 1478-4491) RoMEO: This is a RoMEO green journal Listed in: DOAJ as an open access journal 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: Publisher's version/PDF may be used Eligible UK authors may deposit in OpenDepot Creative Commons Attribution License Copy of License must accompany any deposit.. Published version fulltext added 8/3/16. - “VU paid APC for this article”, 5.9.16 -- MMM