Funding for this research was provided by:
National Institute for Health Research (15/194/10)
Text and Data Mining valid from 2018-10-16
First Online: 16 October 2018
Compliance with Ethical Standards
: This project was funded by the National Institute for Health Research Health Technology Programme (project no. 15/194/10; see the Health Technology Assessment programme website for further project information, ExternalRef removed). The views and opinions expressed are those of the authors and do not necessarily reflect those of the National Institute of Health and Care Excellence or the Department of Health.
: Tosin Lambe, Rui Duarte, James Mahon, Sarah Nevitt, Janette Greenhalgh, Angela Boland, Sophie Beale, Eleanor Kotas, Joanne McEntee and Ian Pomeroy have no conflicts of interest that are directly relevant to the contents of this article.