title: Reply from the Authors.
authors.affiliation: Department of Pediatric Dentistry, Institute of Odontology at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
authors.forename: Anna
authors.initials: A
authors.lastname: Oldin
authors.affiliation: Department of Psychology, University of Gothenburg, Gothenburg, Sweden.
authors.forename: Jesper
authors.initials: J
authors.lastname: Lundgren
authors.affiliation: Department of Psychology, University of Gothenburg, Gothenburg, Sweden.
authors.forename: Jörgen G
authors.initials: JG
authors.lastname: Norén
authors.affiliation: Department of Pediatric Dentistry, Institute of Odontology at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
authors.forename: Agneta
authors.initials: A
authors.lastname: Robertson