Correction
In the original publication [1] the abbreviation for Core outcome sets (COS) was pluralized unnecessarily throughout the next. The original article was updated to rectify this error.
Reference
Survey indicated that core outcome set development is increasingly including patients, being conducted internationally and using Delphi surveys. Trials. 2018;19:113. https://doi.org/10.1186/s13063-018-2493-y.
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Biggane, A.M., Brading, L., Ravaud, P. et al. Correction to: Survey indicated that core outcome set development is increasingly including patients, being conducted internationally and using Delphi surveys. Trials 19, 430 (2018). https://doi.org/10.1186/s13063-018-2595-6
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DOI: https://doi.org/10.1186/s13063-018-2595-6