Healthy Lifestyle by Nutrition in Adolescence (HELENA). A New EU Funded ProjectGerman Vicente-Rodriguez, Christian Libersa, Maria I. Mesana, Laurent Béghin, Catalina Iliescu, Luis A. Moreno Aznar, Jean Dallongeville et Frédéric GottrandThérapie, 62 3 (2007) 259-270DOI: https://doi.org/10.2515/therapie:2007050