Long COVID associated with SARS-CoV-2 reinfection among children and adolescents in the omicron era (RECOVER-EHR): a retrospective cohort study. - Zhang B; Wu Q; Jhaveri R; Zhou T; Becich MJ; Bisyuk Y; Blanceró F; Chrischilles EA; Chuang CH; Cowell LG; Fort D; Horowitz CR; et al. (The Lancet. Infectious diseases, 2026)