Corrigendum: Luminescence in Manganese (II)-Doped SrZn2S2O Crystals From Multiple Energy Conversion - Ma, Ronghua; Mao, Shaohui; Wang, Chunfeng; Shao, Yonghong; Wang, Zhihao; Wang, Yu; Qu, Sicen; Peng, Dengfeng (Frontiers in Chemistry, 2021)