Impact of a physical activity program on the health-related quality of life in pediatric cancer patients: a study protocol. - Galárraga, Gustavo; Wurtz, Rebecca; Stefano, Marcos Di; Bosch, Libet; Villanueva, Erika; Unda, Karen; Yu, Yunqi; Apolo, Carmen; Coloma, Camila; López-Gil, José Francisco (Frontiers in Sports & Active Living, 2025)