Article History
First Online: 31 January 2019
Compliance with Ethical Standards
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: Oli Williams was supported to write this letter by the UK National Institute for Health Research (NIHR) Collaboration for Leadership in Applied Health Research and Care East Midlands. At the time of writing, Stephanie Coen held a Postdoctoral Fellowship from the Canadian Institutes of Health Research (CIHR). No sources of funding were used to assist Kass Gibson in the preparation of this letter. The views expressed in this letter are those of the authors and not necessarily those of the National Health Service, NIHR, or the Department of Health and Social Care.
: Oli Williams, Stephanie Coen and Kass Gibson declare that they have no conflicts of interest relevant to the content of this letter.