About the Authors

Jenny Woodman

j.woodman@ucl.ac.uk

Affiliation MRC (Medical Research Council)-Centre of Epidemiology for Child Health, University College London (UCL)-Institute of Child Health, London, United Kingdom

Nick Freemantle

Affiliation University College London (UCL)-Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Janice Allister

Affiliation Royal College of General Practitioners (RCGP), London, United Kingdom

Simon de Lusignan

Affiliation Department of Health Care Management and Policy, University of Surrey, Guilford, United Kingdom

Ruth Gilbert

Affiliation MRC (Medical Research Council)-Centre of Epidemiology for Child Health, University College London (UCL)-Institute of Child Health, London, United Kingdom

Irene Petersen

Affiliation University College London (UCL)-Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JW RG IP NF SdL JA. Analyzed the data: JW IP NF. Wrote the paper: JW RG IP NF SdL JA.