Correction: Measuring progress towards Sustainable Development Goal 3.8 on universal health coverage in Kenya.
[This corrects the article DOI: 10.1136/bmjgh-2018-000904.][This corrects the article DOI: 10.1136/bmjgh-2018-000904.].
[This corrects the article DOI: 10.1136/bmjgh-2018-000904.][This corrects the article DOI: 10.1136/bmjgh-2018-000904.].