Employing quality control and feedback to the EQ-5D-5L valuation protocol to improve the quality of data collection

[1] Herdman M(2011)Development and preliminary testing of the new five-level version of EQ-5D (EQ-5D-5L) Quality of Life Research 20 1727-1736

[2] Gudex C(2016)Dutch tariff for the five-level version of EQ-5D Value in Health 19 343-352

[3] Lloyd A(2016)The EQ-5D-5L valuation study in Korea Quality of Life Research 25 1845-1852

[4] Janssen M(2015)Developing a Japanese version of the EQ-5D-5L value set (in Japanese) Journal of the National Institute of Public Health 64 47-55

[5] Kind P(2014)A program of methodological research to arrive at the new international EQ-5D-5L valuation protocol Value in Health 17 445-453

[6] Parkin D(2014)Qualitative and quantitative analysis of interviewer help answering the time tradeoff Medical Decision Making 34 655-665

[7] Versteegh MM(2013)One-to-one versus group setting for conducting computer-assisted TTO studies: Findings from pilot studies in England and the Netherlands The European Journal of Health Economics 14 S65-S73

[8] Vermeulen KM(2014)Comparing EQ-5D valuation studies: a systematic review and methodological reporting checklist Medical Decision Making 34 8-20

[9] Evers SMAA(2014)Testing a discrete choice experiment including duration to value health states for large descriptive systems: Addressing design and sampling issues Social Science and Medicine 114 38-48

[10] de Wit GA(2013)Lead versus lag-time trade-off variants: Does it make any difference? The European Journal of Health Economics 14 S25-S31

[1] Herdman M(2011)Development and preliminary testing of the new five-level version of EQ-5D (EQ-5D-5L) Quality of Life Research 20 1727-1736

[2] Gudex C(2016)Dutch tariff for the five-level version of EQ-5D Value in Health 19 343-352

[3] Lloyd A(2016)The EQ-5D-5L valuation study in Korea Quality of Life Research 25 1845-1852

[4] Janssen M(2015)Developing a Japanese version of the EQ-5D-5L value set (in Japanese) Journal of the National Institute of Public Health 64 47-55

[5] Kind P(2014)A program of methodological research to arrive at the new international EQ-5D-5L valuation protocol Value in Health 17 445-453

[6] Parkin D(2014)Qualitative and quantitative analysis of interviewer help answering the time tradeoff Medical Decision Making 34 655-665

[7] Versteegh MM(2013)One-to-one versus group setting for conducting computer-assisted TTO studies: Findings from pilot studies in England and the Netherlands The European Journal of Health Economics 14 S65-S73

[8] Vermeulen KM(2014)Comparing EQ-5D valuation studies: a systematic review and methodological reporting checklist Medical Decision Making 34 8-20

[9] Evers SMAA(2014)Testing a discrete choice experiment including duration to value health states for large descriptive systems: Addressing design and sampling issues Social Science and Medicine 114 38-48

[10] de Wit GA(2013)Lead versus lag-time trade-off variants: Does it make any difference? The European Journal of Health Economics 14 S25-S31