Incidence and risk factors of perioperative respiratory adverse events in pediatric surgical patients: Development and validation of a predictive model in Brazil - Isabela S. Sirtoli; Stela J. Castro; Paulo C. S. Neto; Cleiton Pando; Clarissa Mendanha; Raissa M. Scorsatto; Luciana C. Stefani (PLoS ONE, 2026)