Sleep patterns in childhood: a longitudinal assessment from the Generation XXI birth cohort Marta Gonçalves; Ana Rute Costa; Milton Severo; Ana Henriques; Henrique Barros;

Sedentarismo e inactividad física según sexo, edad y nivel socioeconómico en el País Vasco. Estudio transversal Marta Ijalba Martínez; Antonio Moreno Llamas; Unai Martín Roncero;

Social inequalities, advanced maternal age, and birth weight. Evidence from a population-based study in Spain Chiara Dello Iacono; Miguel Requena; Mikolaj Stanek;