ColonFlag for identifying people at risk of colorectal cancer

Matthew Sperrin, senior lecturer in health data science, University of Manchester. No conflicts of interest declared.

Joseph Huang, consultant colorectal surgeon, Queen's Hospital, Romford. No conflicts of interest declared.

Niels Peek, professor of health informatics, University of Manchester. No conflicts of interest declared.

Roger Motson, colorectal surgeon and director of the ICENI Centre, Colchester Hospital. Adviser to Cambridge Medical Robotics. The ICENI Centre receives educational grants from many companies in the medical device industry.

Vardhini Vijay, consultant surgeon, Princess Alexandra Hospital, Harlow. No conflicts of interest declared.

Juliet Usher-Smith, clinical senior research associate and GP, Primary Care Unit, University of Cambridge. No conflicts of interest declared.