Main changes in the ¿COVID-19 in paediatrics¿ clinical practice guideline Javier González de Dios; Victoria Martínez Rubio; Álvaro Giménez Díaz de Atauri; Carlos Ochoa Sangrador; Enrique Rodríguez-Salinas Pérez; Sergio Flores Villar; Jaime Javier Cuervo Valdés;

Design and validation of a questionnaire on habits, health and exercise in the use of baby carriers Yaiza Taboada-Iglesias; María del Carmen Iglesias-Pérez; Águeda Gutiérrez-Sánchez;

Genetic counselling in the era of next generation sequencing Diego Espada-Musitu; África Manero-Azua; Yerai Vado; Guiomar Perez de Nanclares;