Published on in Vol 4, No 4 (2015): Oct-Dec
1 Institute of Health and Wellbeing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
2 E-Health Unit, Research Department of Primary Care and Population Health, University College London, London, London, United Kingdom
3 Academic Unit of Psychology, Faculty of Social and Human Sciences, University of Southampton, Southampton, United Kingdom
4 Primary Care and Population Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
5 Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
*these authors contributed equally
†deceased