Following the publication of this paper, the authors have realized that the name of their institute, as presented in the affiliations, should have been changed from "Children's Hospital Affiliated to Nanjing Medical University" to "Children's Hospital of Nanjing Medical University". Therefore, the authors' affiliations, and the affliation address, should have appeared as follows: Hui Zhu*, Xinyue Qi*, Yuehe Liu*, Wei Liao, Xiangshui Sun and Yuping Tang. Department of Orthopedics, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu 210009, P.R. China. *Contributed equally. The authors confirm that there are no further errors in the study, and all the authors agree to this correction. The authors regret this error in the affiliations, and apologize for any inconvenience caused. [the original article was published in Molecular Medicine Reports 20: 685‑692, 2019; DOI: 10.3892/mmr.2019.10271].