English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Unfortunately, after publication of this article [1] it was noticed that there were two errors. The final line of the Background section should read, “Our data is unique in the sense that we follow the same individuals over a 19-year period.” The first line of the 4th paragraph of the Methods section should instead read, “Our dependent variable for the analysis is self-perceived (self-assessed) health (SAH).”

Erratum to: Health inequality in the Russian federation: an examination of the changes in concentration and achievement indices from 1994 to 2013