Unfortunately, the original version of this article [1] contained an error. The author name ‘Jing-Hua Li’ was included incorrectly. This should be spelt ‘Jin-Hua Li’ as corrected in the author list above. The author name has been corrected in the original article also.
Footnotes
The online version of the original article can be found under doi:10.1186/s13075-015-0803-2.
Reference
- 1.Ma J-D, Wei X-N, Zheng D-H, Mo Y-Q, Chen L-F, Zhang X, Li J-H, Dai L. Continuously elevated serum matrix metalloproteinase-3 for 3 ~ 6 months predict one-year radiographic progression in rheumatoid arthritis: a prospective cohort study. Arthritis Res Ther. 2015; 289. [DOI] [PMC free article] [PubMed]