Drupal-Bibcite0<style face="normal" font="default" size="100%">The impact of COVID-19 lockdowns on the body mass index of people living with obesity: A UK retrospective cohort study using the UK Clinical Practice Research Datalink</style><style face="normal" font="default" size="100%">The impact of COVID-19 lockdowns on the body mass index of people living with obesity: A UK retrospective cohort study using the UK Clinical Practice Research Datalink</style>