Gimeno Santos, Elena, 1980-; Frei, Anja; Dobbels, Fabienne; Rüdell, Katja; Puhan, Milo A.; García Aymerich, Judith; PROactive consortium
(BioMed Central, 2011)
Background: Guidance documents for the development and validation of patient-reported outcomes (PROs) advise the use of conceptual frameworks, which outline the structure of the concept that a PRO aims to measure. It is ...