title: [Not Available].
authors.affiliation: Oulun kaupungin terveyskeskus. jaanaronkainen@hotmail.com
authors.forename: Jaana
authors.initials: J
authors.lastname: Ronkainen
authors.forename: Olli
authors.initials: O
authors.lastname: Koskimies
authors.forename: Marja
authors.initials: M
authors.lastname: Ala-Houhala
authors.forename: Marjatta
authors.initials: M
authors.lastname: Antikainen
authors.forename: Pekka
authors.initials: P
authors.lastname: Arikoski
authors.forename: Timo
authors.initials: T
authors.lastname: Jahnukainen
authors.forename: Outi
authors.initials: O
authors.lastname: Jauhola
authors.forename: Jussi
authors.initials: J
authors.lastname: Merenmies
authors.forename: Jukka
authors.initials: J
authors.lastname: Rajantie
authors.forename: Timo
authors.initials: T
authors.lastname: Ormälä
authors.forename: Matti
authors.initials: M
authors.lastname: Nuutinen