Extending the QALY: developing and testing the proposed items for a new generic measure - results from qualitative review and face validity with patients, social care users and carers

Janice Connell, Jill Carlton, Tessa Peasgood, Clara Mukuria, John Brazier, Federico Augustovski, Maria Belizan, Lidia Engel, Wolfgang Greiner, Lisa Hanna, Kristina Ludwig, Andrea Monteiro, Brendan Mulhern, Luo Nan, Simon Pickard