title: Estimating a preference-based index for a 5-dimensional health state classification for asthma derived from the asthma quality of life questionnaire.
authors.affiliation: Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom.
authors.forename: Yaling
authors.initials: Y
authors.lastname: Yang
authors.affiliation: Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom.
authors.forename: John E
authors.initials: JE
authors.lastname: Brazier
authors.affiliation: Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom.
authors.forename: Aki
authors.initials: A
authors.lastname: Tsuchiya
authors.affiliation: Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom.
authors.forename: Tracey A
authors.initials: TA
authors.lastname: Young