Aren't We Really Inventing the Wheel?

E. Listener: Why do companies develop new patient reported outcomes all the time? O said so much. So why t aren't we real inventing the wheel? I guess. Well, i think, if you come up in a broader sense, it's about innovation. We have been developing instruments for more than 30 years,. probably, but they are still more more to do. There are two key concepts in our field, which are cept of interest, in context of you. Fatigue is a very important concept, and many, manywite more and more we see how important these are.