title: Erratum to: Change in Oral Impacts on Daily Performances (OIDP) with increasing age: testing the evaluative properties of the OIDP frequency inventory using prospective data from Norway and Sweden.
authors.affiliation: Department of Clinical Dentistry-Community Dentistry, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway. Ferda.Gulcan@iko.uib.no.
authors.forename: Ferda
authors.initials: F
authors.lastname: Gülcan
authors.affiliation: Department of Clinical Dentistry-Community Dentistry, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway. Elwalid.Nasir@ok.uib.no.
authors.forename: Elwalid
authors.initials: E
authors.lastname: Nasir
authors.affiliation: Örebro County Council, Örebro, Sweden. gunnar.ekback@orebroll.se.|School of Health and Medical Sciences, Örebro University, Örebro, Sweden. gunnar.ekback@orebroll.se.
authors.forename: Gunnar
authors.initials: G
authors.lastname: Ekbäck
authors.affiliation: Dental Commissioning Unit, Östergötland County Council, Linköping University, Linköping, Sweden. Sven_ordell@hotmail.com.
authors.forename: Sven
authors.initials: S
authors.lastname: Ordell
authors.affiliation: Department of Clinical Dentistry-Community Dentistry, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway. Anne.Aastrom@iko.uib.no.
authors.forename: Anne Nordrehaug
authors.initials: AN
authors.lastname: Åstrøm