a1 Institute of Primary Care and Public Health, London South Bank University, London, UK
a2 Senior Lecturer In General Practice, Institute of Primary Care and Health Sciences, Keele University, Staffordshire, UK
Correspondence:
c1 Correspondence to: Dr Jo Protheroe, Senior Lecturer In General Practice, Institute of Primary Care and Health Sciences, Keele University, Staffordshire, UK. Email: j.protheroe@cphc.keele.ac.uk