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Open Access

Erratum to: Simple steps to develop trial follow-up procedures

  • Ona McCarthy1Email author,
  • Rebecca S. French2,
  • Ian Roberts1 and
  • Caroline Free1

Received: 1 June 2016

Accepted: 6 September 2016

Published: 6 October 2016

The original article was published in Trials 2016 17:28


Unfortunately, the original version of this article [1] contained an error. There were errors in the reference numbers in Additional file 1. This has now been corrected and Additional file 1 is included here with the correct reference numbers.



Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.

Authors’ Affiliations

Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK
Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, UK


  1. McCarthy O, French RS, Roberts I, Free C. Simple steps to develop trial follow-up procedures. Trials. 2016;17:28.View ArticlePubMedPubMed CentralGoogle Scholar


© The Author(s). 2016