Fidelity of implementation of Reptes, an alcohol and cannabis selective prevention program for youngsters Noelia Vázquez; Xavier Continente; Montse Bartroli; Olga Juárez; Laura Muñoz; Francesca Sánchez-Martínez; Anna Pérez; Carles Ariza;

Acceso a la atención sanitaria mediante seguros de salud comunitarios entre migrantes de Senegal Modou Diop;

Socioeconomic inequalities in self-assessed health and mental health in Barcelona, 2001-2016 Xavier Bartoll-Roca; Laia Palència; Mercè Gotsens; Carme Borrell;