Differential clinic in children infected by SARS-CoV-2, traceability of contacts and cost-effectiveness of diagnostic tests: Cross-sectional observational study Antia Fiel-Ozores; María Luisa González-Durán; Reyes Novoa-Carballal; María del Mar Portugués-de la Red; Isabel Fernández-Pinilla; Jorge Julio Cabrera-Alvargonzález; Cristina Martínez-Reglero; Sonia Rey-Cao; Ana Concheiro-Guisán;

Health care-associated infections in neonatology María Cernada; Concepción De Alba Romero; Belén Fernández-Colomer; Noelia González-Pacheco; María González; María Luz Couce;

Long-term outcomes of necrotizing pneumonia Catalina Bover-Bauza; Borja Osona; Jose Antonio Gil; Jose Antonio Peña-Zarza; Joan Figuerola;