1. Warwick Medical School, the University of Warwick, Coventry, United Kingdom
2. Cambridge Breast Unit, Cambridge Universities NHS Foundation Trust and NIHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom
3. Screening QA Service (Midland & East), Seaton House, City Link, Nottingham, United Kingdom
4. Warwickshire, Solihull and Coventry Breast Screening Service, University Hospitals Coventry and Warwickshire, Coventry, United Kingdom
5. Peel & Schriek Consulting Limited, London, United Kingdom