Correction to: Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial – the development of the DELTA2 guidance

Following publication of the original article [1], we have been notified of a few mistakes:

Bibliographic Details
Main Authors: William Sones, Steven A. Julious, Joanne C. Rothwell, Craig Robert Ramsay, Lisa V. Hampson, Richard Emsley, Stephen J. Walters, Catherine Hewitt, Martin Bland, Dean A. Fergusson, Jesse A. Berlin, Doug Altman, Luke David Vale, Jonathan Alistair Cook
Format: Article
Language:English
Published: BMC 2019-10-01
Series:Trials
Online Access:http://link.springer.com/article/10.1186/s13063-019-3809-2