Hendrik M. Koopman

The proxy problem: child report versus parent report in health-related quality of life research

N.C.M. Theunissen, T. Vogels, Hendrik M. Koopman et al. · Quality of Life Research · 1998 · 697 citations

Social Sciences, Child Health, Pediatrics +7

Measuring health-related quality of life in children: the development of the TACQOL parent form

T. Vogels, G.H.W. Verrips, S.P. Verloove-Vanhorick et al. · Quality of Life Research · 1998 · 326 citations

Pharmacy, Child Health, Pediatrics +11

Development and psychometric evaluation of the TAPQOL: A health-related quality of life instrument for 1–5-year-old children

Minne Fekkes, N.C.M. Theunissen, E. Brugman et al. · Quality of Life Research · 2000 · 299 citations

Pharmacy, Child Health, Pediatrics +17

The European DISABKIDS project: development of seven condition-specific modules to measure health related quality of life in children and adolescents

Rolanda M. Baars, Clare I. Atherton, Hendrik M. Koopman et al. · Health and Quality of Life Outcomes · 2005 · 255 citations · Full text

Medicine, Child Health, Pediatrics +17

Health related quality of life of Dutch children: psychometric properties of the PedsQL in the Netherlands

Vivian Engelen, Marleen M Haentjens, Symone Detmar et al. · BMC Pediatrics · 2009 · 191 citations · Full text

Social Sciences, Child Health, Pediatrics +17