IL2 and neuroblastoma: Anti-GD2 antibodies have for the last 20 years been successfully applied as a treatment option for high-risk neuroblastoma and recent studies have shown further increased survival of patients with high-risk neuroblastoma treated with a combination of chimeric anti-GD2 antibodies, GM-CSF and IL-2 suggesting more systematic evaluation of this treatment regimen (Yu et al., 2010; Ladenstein et al., 2013; Mody et al., 2017).