Essential core competencies for scope of practice of paediatric oncology nurses in Latin America: a scoping review protocol oleh Luís Carlos Lopes-Júnior, Regina Aparecida Garcia Lima, Soad Fuentes-Alabi, Edmara Bazoni Soares Maia, Karina de Cássia Braga Ribeiro, Courtney E Sullivan, Monnie Abraham, Lorena Segovia Weber, Liliana Vásquez Ponce