Rowen D, Brazier J, Mukuria C, Keetharuth A, Rise Hole A, Tsuchiya A, Whyte S, Shackley P. (2014). Update: Eliciting societal preferences for weighting QALY’s according to burden of illness, size of gain and end of life. Policy Research Unit in Economic Evaluation of Health and Care Interventions. Universities of Sheffield & York; EEPRU Research Report 018. Policy paper/document published 01/03/2014.