The authors of this Research paper (BMJ 2014;349:g5785, doi:10.1136/bmj.g5785) would like to point out that some of the paper’s sponsors were not included in the funding section in the footnotes. This section should have mentioned that part of the data analysis was supported by Grand Challenges Canada Grant 0072-03. In addition, author Orazio P Attanasio’s time was partly funded by European Research Council Advanced Grant No. 249612 and by the ESRC Professorial Fellowship ES/K01070011.
Cite this as: BMJ 2014;349:g6126
