Corrigendum: Brain Metastases from Esophageal Squamous Cell Carcinoma: Clinical Characteristics and Prognosis - Xiao, Linlin; Mowery, Yvonne M.; Czito, Brian G.; Wu, Yajing; Gao, Guangbin; Zhai, Chang; Wang, Jianing; Wang, Jun (Frontiers in Oncology, 2022)