• Impact of the COVID-19 pandemic and related control measures on cancer diagnosis in Catalonia: a time-series analysis of primary care electronic health records covering about five million people

• Cardiorespiratory fitness in adolescents before and after the COVID-19 confinement: a prospective cohort study

• A longitudinal study of changes in smart phone addiction and depressive

• Social Distancing During a COVID-19 Lockdown Contributes to The Maintenance of Social Anxiety

• Impact of COVID-19 and Partial Lockdown on Access to Care, Self-Management and Psychological Well-being among People with Diabetes: A Cross-sectional Study

• Communication Across Maternal Social Networks During England's First National Lockdown and Its Association With Postnatal Depressive Symptoms

• Learning loss due to school closures during the COVID-19 pandemic

• The impact of COVID-19 preventive lockdowns on the prevalence of benign paroxysmal positional vertigo