Comparative performance of twelve machine learning models in predicting COVID-19 mortality risk in children: a population-based retrospective cohort study in Brazil. - Adriano Lages dos Santos; Maria Christina L. Oliveira; Enrico Antonio Colosimo; Robert H. Mak; Clara Pinhati; Stella C. Gallante; Hercílio Martelli-Júnior; Ana Cristina Simões e Silva; Eduardo Araújo Oliveira (PeerJ Comput. Sci., 2025)