1 Family History of Bowel Cancer Clinic, West Middlesex University Hospital, Chelsea and Westminster Hospitals NHS Trust; Imperial College London, London, UK.
2 Bowel Cancer UK.
3 Queen Elizabeth Hospital, Birmingham.
4 University of Oxford.
5 Newcastle University.
6 St Mark's Hospital.
7 Association of Coloproctology for Great Britain and Ireland.
8 North West Thames Regional Genetics Service.
9 Western General Hospital, Edinburgh.
10 Cardiff University and Welsh Association of Gastroenterology and Endoscopy.
11 Colon Cancer Genetics Group and Academic Coloproctology, Institute of Genetics and Molecular Medicine.
12 Oxford University Hospitals.
13 University of Manchester.
14 Cambridge University Hospitals NHS Foundation Trust and Association of Coloproctology of Great Britain and Ireland.
15 University Hospital of Wales.
16 Mount Vernon Cancer Centre.
17 Central Manchester University Hospitals.
18 Institute of Cancer Research, London.
19 University of Leeds and Leeds Teaching Hospitals NHS Trust.
20 Manchester Centre for Genomic Medicine, Central Manchester University Hospitals NHS Foundation Trust.
21 St Mark's Hospital and Imperial College London.