Expression status in MYCN-amplified NB tumours was obtained from Cangelosi dataset [177] using R2 Genomics Analysis and Visualization Platform (https://hgserver1.amc.nl/ (accessed on 10 October 2025)); prognosis data were extracted from [11], or if no data were available, association with overall survival was calculated using R2 platform. Here, MYCN is linked to neoplasm.