Correction to: BMC Med Res Methodol (2018) 18:162

https://doi.org/10.1186/s12874-018-0621-8

Following publication of the original article [1], the authors reported a change in the ‘Competing interests’ section as described below.

‘Competing interests’ in the original article:

  • BCJ, PAC, POV and GG are members of the GRADE working group. Remaining authors declare no competing interests.

Revised ‘Competing interests’:

  • BCJ, PAC, POV and GG are members of the GRADE working group. In 2015, BCJ received funding from the International Life Science Institute to assess the methodological quality of nutrition guidelines using internationally accepted GRADE and AGREE guideline standards for a study titled “The Scientific Basis of Guideline Recommendations on Sugar Intake: A Systematic Review” [2]. The remaining authors declare no potential competing interests.