Faculty of Medical Sciences,University College London,London WC1E 6BT,United Kingdom;
Department of Computing,Imperial College London,London SW72RH,United Kingdom;
Department of Surgery and Cancer,Faculty of Medicine,Imperial College London,London SW72AZ,United Kingdom;
Department of Colorectal Surgery,Royal Free Hospital,London NW32QG,United Kingdom;
Colorectal cancer; Disease prevention; Diet; Risk; Nutrigenomics; Metaanalysis;