1. Cancer Research UK Primary Care Education Research Group, Department of Primary Care, University of Oxford, Old Road Campus, Oxford OX3 7LF, UK
2. Cancer Research UK Primary Care Education Research Group, Department of Primary Health Care, University of Oxford, Old Road Campus, Oxford OX3 7LF, UK
3. Nuffield Department of Obstetrics and Gynaecology, University of Oxford, John Radcliffe Hospital, Women's Centre, Oxford OX3 9DU, UK
4. Colposcopy Department, John Radcliffe Hospital, Women's Centre, Oxford, OX3 9DU, UK
5. Cancer Research UK Primary Care Education Research Group, Department of Primary Care, University of Oxford, Old Road Campus,
Oxford OX3 7LF, UK