1. National Collaborating Centre for Primary Care, Royal College of General Practitioners, London, UK
2. National Collaborating Centre for Women’s & Children’s Health, London, UK
3. Centre for Cardiovascular Genetics, British Heart Foundation Laboratories, Royal Free and University College London Medical School, London, UK
4. NIHR School of Primary Care, Division Public Health & Primary Health Care, University of Oxford, Oxford, UK
5. BMJ Evidence Centre, BMA House, Tavistock Square, London, UK
6. Warwick Medical School, University of Warwick, Coventry, UK