Correction to: J Orthop Surg Res (2019) 14: 459

https://josr-online.biomedcentral.com/articles/10.1186/s13018-019-1513-2

Following publication of the original article [1], we have been notified that there was a spelling mistake in the author affiliations. In this Correction, correct and incorrect versions are shown.

Incorrect: Department of Orthopedics, The Forth Medical Center of the General Hospital of People’s Liberation Army of China, Haidian District, Beijing, China.

Correct: Department of Orthopedics, The Fourth Medical Center of the General Hospital of People’s Liberation Army of China, Haidian District, Beijing, China.