Published on in Vol 13 , No 4 (2011) :Oct-Dec
This is a member publication of e-Health Unit, UCL PCPH, Royal Free Campus, London, United Kingdom
1 Faculty of Public Health & Policy, London School of Hygiene & Tropical Medicine, London, GB
2 MRC General Practice Research Framework, London, GB
3 MRC Biostatistics Unit, Institute of Public Health, Cambridge, GB
4 E-health Unit, Research Department of Primary Care and Population Health, University College London, London, GB
5 MRC Biostatistics Unit, Institute of Public Health, London, GB
6 Department of Health Sciences and HYMS, University of York, York, GB
7 E-health Unit, Research Department of Primary Care & Population Health, University College London, London, GB