Published on in Vol 17 , No 6 (2015) :June
This is a member publication of Institute of Population Health, Centre for Health Informatics, University of Manchester

1 Institute of Population Health , Centre for Health Informatics , University of Manchester , Manchester , GB
2 Health eResearch Centre , Farr Institute for Health Informatics Research , University of Manchester , Manchester , GB
3 School of Computer Science , University of Birmingham , Birmingham , GB
4 School of Computer Science , University of Manchester , Manchester , GB
5 Nuffield Department of Primary Care , Medical Sciences Division , University of Oxford , Oxford , GB