Guest Editors Ian P. Sinha Ian P. Sinha is a consultant respiratory paediatrician at Alder Hey Children’s Hospital (Liverpool, UK) and an Honorary Associate Clinical Professor at the University of Liverpool (Liverpool). He is clinical lead for the National Asthma and COPD audit programme in the UK. His main clinical interests are neonatal lung disease and asthma, and his academic work relates to evidence-based medicine, clinical trials and health inequalities. He conducts clinics in bronchopulmonary dysplasia, structural lung disease and congenital diaphragmatic hernia. Alice Lee Alice Lee is a paediatric trainee in the North West of England, currently working as a clinical research and innovation fellow at Alder Hey Children’s Hospital (Liverpool, UK), whilst undertaking a PhD in early years respiratory health inequalities at the University of Liverpool (Liverpool). She works with parent groups to design community models of care to address the wider determinants of health and has worked with the Royal College of Paediatrics and Child Health (London, UK) on a health inequalities tool kit. She previously completed an MA in humanitarianism and conflict response and worked as a population health fellow for Health Education England. S. Vittal Katikireddi S. Vittal Katikireddi is Professor of Public Health and Health Inequalities at the University of Glasgow (Glasgow, UK) and an honorary Consultant in Public Health at Public Health Scotland. His chief research interests are in improving the development and application of evidence to inform “healthy public policy”: that is, harnessing how government actions outside of the NHS (such as welfare policy and economic policy) can improve health. He particularly focuses on addressing multiple dimensions of health inequalities, including socioeconomic, ethnic and gender inequalities. His research makes use of diverse methods, including social epidemiology, natural experiment studies, systematic reviews, microsimulation modelling and qualitative policy analysis. Copyright ©ERS 2023. Print ISBN: 978-1-84984-157-3. Online ISBN: 978-1-84984-158-0. Print ISSN: 2312-508X. Online ISSN: 2312-5098. https://doi.org/10.1183/2312508X.10004123 ix