title: Erratum to: Health inequality in the Russian federation: an examination of the changes in concentration and achievement indices from 1994 to 2013.
authors.affiliation: Department of Health and Social Management, Faculty of Social Sciences and Business Studies, University of Eastern Finland, Kuopio, 70211, Finland. pavitra.paul@uef.fi.
authors.forename: Pavitra
authors.initials: P
authors.lastname: Paul
authors.affiliation: Department of Health and Social Management, Faculty of Social Sciences and Business Studies, University of Eastern Finland, Kuopio, 70211, Finland.
authors.forename: Hannu
authors.initials: H
authors.lastname: Valtonen