Corrigendum: Photodynamic therapy for malignant brain tumors in children and young adolescents - Chiba, Kentaro; Aihara, Yasuo; Oda, Yuichi; Fukui, Atsushi; Tsuzuki, Shunsuke; Saito, Taiichi; Nitta, Masayuki; Muragaki, Yoshihiro; Kawamata, Takakazu (Frontiers in Oncology, 2023)