<https://doi.org/10.5217/ir.2018.00078>

Intest Res 2019;17(1):87-93

In the version of this article initially published, Figure 2 contains errors in the content of the questionnaire.

On page 89, the figure should be corrected as following.

**From:**

[](#f1-ir-2018-00078-c1){ref-type="fig"}

**To:**

[](#f2-ir-2018-00078-c1){ref-type="fig"}

![(A) Questionnaire 1: acceptability of tablets. (B) Questionnaire 2: acceptability of granules. (C) Questionnaire 3: comparison of tablets and granules. All the original questionnaires were written in Japanese. CR, controlled-release.](ir-2018-00078-c1f1){#f1-ir-2018-00078-c1}

![(A) Questionnaire 1: acceptability of tablets. (B) Questionnaire 2: acceptability of granules. (C) Questionnaire 3: comparison of tablets and granules. All the original questionnaires were written in Japanese. CR, controlled-release.](ir-2018-00078-c1f2){#f2-ir-2018-00078-c1}
