Cross-cohort analysis identified an immune checkpoint-based signature to predict the clinical outcomes of neuroblastoma ======================================================================================================================= * Liang Zeng * Hui Xu * Shu-Hua Li * Shuo-Yu Xu * Kai Chen * Liang-Jun Qin * Lei Miao * Fang Wang * Ling Deng * Feng-Hua Wang * Le Li * Sha Fu * Na Liu * Ran Wang * Ying-Qing Li * Hai-Yun Wang