[1] Lancashire Teaching Hosp NHS Fdn Trust, Corp Canc Team, Serv User Involvement Coordinator, Preston, Lancs, England
[2] Patient & Publ Representat, York, England
[3] Leeds Teaching Hosp NHS Trust, Dept Anaesthesia, Leeds, England
[4] Manchester Univ NHS Fdn Trust, Wythenshawe Hosp, Dept Anaesthesia, Manchester, England
[5] Univ Lancaster, Lancaster Med Sch, Fac Hlth & Med, Lancaster, England