Evaluation of a Computer-Tailored Physical Activity Intervention in Adolescents in Six European Countries: The Activ-O-Meter in the HELENA Intervention Study

1. De Bourdeaudhuij, I.
2. Maes, L.
3. De Henauw, S.
4. De Vriendt, T.
5. Moreno, L.A.
6. Kersting, M.
7. Sarri, K.
8. Manios, Y.
9. Widhalm, K.
10. Sjöstrom, M.
11. Ruiz, J.R.
12. Haerens, L.