EQ-5D concepts and methods:: a developmental history

Science today makes progress through the imaginative harvesting of knowledge g- erated by the many, rather than as the result of the isolated endeavours of the lone researcher. Innovations in the physical sciences from the development of nuclear te- nologies to the laser, have involved research teams working collectively. Collabo- tion is the rule rather than the exception. In the social sciences this model is all but reversed. Here it is not uncommon to encounter the solitary enthusiast, r...