Corrigendum: Coating of manganese functional polyetheretherketone implants for osseous interface integration - Yang, Xin; Xiong, Shouliang; Zhou, Jing; Zhang, Yinchang; He, Huazheng; Chen, Pingbo; Li, Congming; Wang, Qiang; Shao, Zhiqiang; Wang, Lei (Frontiers in Bioengineering and Biotechnology, 2023)