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