In the article titled “Fabrication of Core-Shell PEI/pBMP2-PLGA Electrospun Scaffold for Gene Delivery to Periodontal Ligament Stem Cells” [1], there was an error in the Acknowledgments section, which should be corrected as follows:

The authors would like to thank the financial support received from the National Science Foundation of China (no. 81271136). This investigation was supported by the School of Stomatology, Department of Military Toxicology, the Fourth Military Medical University.