Hibbert, Sarah A. http://orcid.org/0000-0001-9719-6510
Ozols, Matiss
Griffiths, Christopher E. M.
Watson, Rachel E. B.
Bell, Mike
Sherratt, Michael J.
Article History
Received: 18 September 2017
Accepted: 14 December 2017
First Online: 11 January 2018
Competing Interests
: M.B. is an employee of Walgreen Boots Alliance. The remaining authors declare no competing financial interests.