Henry, E., L. Barry, A. Hobbins, N. McClure and C. O'Neill (2020). Estimation of an instrument-defined minimally important difference in EQ-5D-5L index scores based on scoring algorithms derived using the EQ-VT version 2 valuation protocols, Value in Health, Vol. 23, Issue 7, July 2020, pp. 936-944, https://doi.org/10.1016/j.jval.2020.03.003