Smartphone use by children in fast food restaurants in Barcelona (Spain): a direct observation study Sonia de Paz-Cantos; Adrián González-Marrón; Cristina Lidón-Moyano; Íñigo Cabriada; María Cerrato-Lara; Rafael Gómez-Galán; José M. Martínez-Sánchez;

Sexual violence in Catalan adolescents: prevalence, associated factors and health consequences Helena Gonzalez-Casals; Carmen Vives-Cases; Albert Espelt; Marina Bosque-Prous; Ester Teixidó-Compañó; Gemma Drou-Roget; Cinta Folch;

Monitoring health and health behaviors among adolescents in Central Catalonia: DESKcohort protocol Judit Rogés; Helena González-Casals; Marina Bosque-Prous; Cinta Folch; Joan Colom; Jordi Casabona; Gemma Drou-Roget; Ester Teixidó-Compañó; Esteve Fernández; Carmen Vives-Cases; Albert Espelt;