Correction to: BMC Med Res Methodol (2019) 19:116

https://doi.org/10.1186/s12874-019-0755-3

In the original publication of this article [1], the author noted two corrections after publication.

  1. 1.

    There is a middle initial in John P. Greenwood.

  2. 2.

    An institution’s name in the Funding section should be changed from “NIHR Bristol Biomedical Research Unit for Cardiovascular Disease” to “NIHR Bristol Biomedical Research Centre”.

The original article has been corrected.

The authors apologize for the inconvenience caused to our readers.