Corrigendum: Development and Validation of a Prognostic Nomogram to Predict Cancer-Specific Survival in Adult Patients With Pineoblastoma - Jing, Yajun; Deng, Wenshuai; Zhang, Huawei; Jiang, Yunxia; Dong, Zuoxiang; Fan, Fan; Sun, Peng (Frontiers in Oncology, 2020)