title: Adolescent's physical activity levels and relatives' physical activity engagement and encouragement: the HELENA study.
authors.affiliation: Department of Physical Education and Sport, Faculty of Physical Activity and Sport Sciences, University of Granada, Spain. miguelaujar@ugr.es
authors.forename: Miguel
authors.initials: M
authors.lastname: Martín-Matillas
authors.forename: Francisco B
authors.initials: FB
authors.lastname: Ortega
authors.forename: Jonatan R
authors.initials: JR
authors.lastname: Ruiz
authors.forename: David
authors.initials: D
authors.lastname: Martínez-Gómez
authors.forename: Ascensión
authors.initials: A
authors.lastname: Marcos
authors.forename: Diego
authors.initials: D
authors.lastname: Moliner-Urdiales
authors.forename: Angela
authors.initials: A
authors.lastname: Polito
authors.forename: Raquel
authors.initials: R
authors.lastname: Pedrero-Chamizo
authors.forename: Laurent
authors.initials: L
authors.lastname: Béghin
authors.forename: Dénes
authors.initials: D
authors.lastname: Molnár
authors.forename: Anthony
authors.initials: A
authors.lastname: Kafatos
authors.forename: Luis A
authors.initials: LA
authors.lastname: Moreno
authors.forename: Ilse
authors.initials: I
authors.lastname: De Bourdeaudhuij
authors.forename: Michael
authors.initials: M
authors.lastname: Sjöström