1. Boote J, Baird W, Beecroft C. Public involvement at the design stage of primary health research: a narrative review of case examples. Health Policy. 2010;95:10–23.
2. Brett J, Staniszewska S, Mockford C, Seers K, Herron-Marx S, Bayliss H. A systematic review of the conceptualisation, measurement, impact and outcomes of patients and public involvement in health and social care research. London: The PIRICOM Study; 2010.
3. Thompson J, Barber R, Ward PR, Boote J, Cooper CL, Armitage CJ, et al. Health researchers’ attitudes towards public involvement in health research. Health Expect. 2009;12:209–20.
4. Staley K. Exploring Impact: Public involvement in NHS, public health and social care research. Eastleigh: INVOLVE; 2009.
5. Gamble C, Dudley L, Allam A, Bell P, Buck D, Goodare H, et al. An evidence base to optimise methods for involving patient and public contributors in clinical trials: a mixed-methods study. Health Serv Deliv Res. 2015;3:39.