Corrigendum: Xanthomatous Hypophysitis: A Case Report and Comprehensive Literature Review - Zhu, Jianyu; Wang, Zhicheng; Wang, Wenze; Fan, Jinghua; Zhang, Yi; Li, Xiaoxu; Liu, Jie; Jiang, Shenzhong; Deng, Kan; Duan, Lian; Yao, Yong; Zhu, Huijuan (Frontiers in Endocrinology, 2021)