title: Response to Cintosun and Colleagues.
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.
authors.forename: Tor A
authors.initials: TA
authors.lastname: Rosness
authors.affiliation: Norwegian Advisory Unit for Aging and Health, Vestfold Health Trust, Toensberg, Norway.
authors.forename: Knut
authors.initials: K
authors.lastname: Engedal
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.
authors.forename: Espen
authors.initials: E
authors.lastname: Bjertness
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.|Department of Health Statistics, Norwegian Institute of Public Health, Oslo, Norway.
authors.forename: Bjørn H
authors.initials: BH
authors.lastname: Strand