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History
- Received July 28, 2012
- Revision received August 2, 2012
- Accepted October 22, 2012
- Published online March 1, 2013.
Copyright & Usage
© British Journal of General Practice 2013
Author Information
- John L Campbell, MD, MRCGP, Professor,
- Mary Carter, BA MSc PG DipClinRes, Associate Research Fellow,
- Antoinette Davey, BSc, MSc, MPhil, Research Fellow and
- Martin J Roberts, MSc, Statistician
- Marc N Elliott, PhD, Senior Statistician
- Martin Roland, DM, Professor
- University of Exeter Medical School, Exeter.
- RAND Corporation, Santa Monica, CA, US.
- Cambridge Centre for Health Services Research, University of Cambridge, Cambridge.
- Address for correspondence
John L Campbell, Primary Care Research Group, Peninsula College of Medicine and Dentistry, Magdalen Road, Exeter, EX1 2LU. E-mail: jlcampbell{at}pms.ac.uk