1. National Institute for Health and Clinical Excellence; Database of Uncertainties about the Effects of Treatments (DUETs); Level 1A, City Tower, Piccadilly Plaza Middle Way Manchester UK M1 4BD
2. The University of Sheffield; HEDS, ScHARR; Regent Court 30 Regent Street Sheffield UK S1 4DA
3. Queen's Campus, Durham University; Centre for Intregrated Health Care Research, Wolfson Research Institute; University Boulevard Thornaby Stockton-on-Tees UK TS17 6BH