Clinical outcomes and relapse patterns in pediatric acute leukemia patients undergoing hematopoietic cell transplantation: a multicenter Brazilian experience - Pelegrina, Polliany Roberta Dorini; Tavares, Rita de Cassia Barbosa; Rodrigues, Adriana Mello; Loth, Gisele; Nichele, Samantha; Kuwahara, Cilmara; Benini, Fernanda Moreira de Lara; Peixoto, Carolina Martins de Almeida; Bach, Juliana; Trennepohl, Joanna; de Gouvea, Lara Maria Miranda; Muratori, Rafaella; et al. (Frontiers in Pediatrics, 2025)