Development of artificial bone graft via <i>in vitro</i> endochondral ossification (ECO) strategy for bone repair.

"Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"The work was financially supported by General Research Fund, Research Grants Council, 10.13039/501100001839University Grants Committee, Hong Kong SAR (CityU 11205520 to Dong-An Wang); 10.13039/501100001809National Natural Science Foundation of China (51973180 to Dong-An Wang, and 82172108 to Changjiang Fan); Grant from 10.13039/501100004047Karolinska Institute Ming Wai Lau Centre of Reparative Medicine (to Dong-An Wang); Grants from 10.13039/100007567City University of Hong Kong (7020028, 7005949, 9231486 to Dong-An Wang); and, 10.13039/501100007129Natural Science Foundation of Shandong Province, China (Grant No. ZR2021MB036 to Changjiang Fan). Cheng Ma: Data curation, Formal analysis, Investigation, Validation, Writing - original draft, Writing - review & editing. Chao Tao: Investigation. Zhen Zhang: Data curation, Formal analysis, Investigation. Huiqun Zhou: Investigation. Changjiang Fan: Funding acquisition, Investigation, Methodology, Supervision, Validation, Writing - review & editing. Dong-an Wang: Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Writing - review & editing."