title: Erratum to: Weapon carrying and psychopathic-like features in a population-based sample of Finnish adolescents.
authors.affiliation: Clinical Institute, Clinic for Children and Adolescents, Child Psychiatry, University of Helsinki, Helsinki University Central Hospital, Tukholmankatu 8 C 613, 00290, Helsinki, Finland. suvi.saukkonen@helsinki.fi.
authors.forename: Suvi
authors.initials: S
authors.lastname: Saukkonen
authors.affiliation: Child Psychiatry, Forensic Psychiatric Center for Children and Adolescents, Helsinki University Central Hospital, Helsinki, Finland.|Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland.
authors.forename: Taina
authors.initials: T
authors.lastname: Laajasalo
authors.affiliation: Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland.
authors.forename: Markus
authors.initials: M
authors.lastname: Jokela
authors.affiliation: Criminological Unit, National Research Institute of Legal Policy, Helsinki, Finland.
authors.forename: Janne
authors.initials: J
authors.lastname: Kivivuori
authors.affiliation: Criminological Unit, National Research Institute of Legal Policy, Helsinki, Finland.
authors.forename: Venla
authors.initials: V
authors.lastname: Salmi
authors.affiliation: Clinical Institute, Clinic for Children and Adolescents, Child Psychiatry, University of Helsinki, Helsinki University Central Hospital, Tukholmankatu 8 C 613, 00290, Helsinki, Finland.|Child Psychiatry, Forensic Psychiatric Center for Children and Adolescents, Helsinki University Central Hospital, Helsinki, Finland.
authors.forename: Eeva T
authors.initials: ET
authors.lastname: Aronen