COSMIN methodology for evaluating the content validity of patient-reported outcome measures: a Delphi study
Caroline B. Terwee
,
C. A. C. Prinsen
,
Alessandro Chiarotto
,
Caroline B. Terwee
,
C. A. C. Prinsen
,
Alessandro Chiarotto
,
Marjan J. Westerman
,
Donald L. Patrick
,
Jordi Alonso
,
L.M. Bouter
,
Henrica C. W. de Vet
,
Lidwine B. Mokkink
2018
Quality of Life Research
1,983 citations