Matui, Patricia
Wyatt, Jeremy C
Pinnock, Hilary
Sheikh, Aziz
McLean, Susannah
Article History
Received: 18 October 2013
Revised: 24 January 2014
Accepted: 31 January 2014
First Online: 20 May 2014
Competing interests
: All authors have completed the ICMJE uniform disclosure form (ExternalRef removed). AS serves on the World Health Organization's Health and Information Technology for Patient Safety Expert Working Groups and is an adviser to NHS Connecting for Health's Evaluation Programme. He is a consultant to ALK and Phadia, and has received support from Napp, Pfizer and Cheisi for research advice. AS is Joint Editor-in-Chief of, and HP is an Associate editor of, the PCRJ; neither were involved in the editorial review of, nor the decision to publish, this article. HP has spoken for AstraZeneca, Boehringer Ingelheim, Chiesi, GlaxoSmithKline, Pfizer and Teva and undertaken advisory group work for Chiesi. The remaining authors declare no conflict of interest.