Corrigendum: Three-Dimensional Cartilage Regeneration Using Engineered Cartilage Gel With a 3D-Printed Polycaprolactone Framework - Wu, Gaoyang; Lu, Lixing; Ci, Zheng; Wang, Yahui; Shi, Runjie; Zhou, Guangdong; Li, Shengli (Frontiers in Bioengineering and Biotechnology, 2022)