Are you really doing ‘codesign’? Critical reflections when working with vulnerable populations

'Codesign' and associated terms such as 'coproduction' or 'patient engagement', are increasingly common in the health research literature, due to an increased emphasis on the importance of ensuring that research related to service/systems development is meaningful to end-users.  However, there continues to be a lack of clarity regarding the key principles and practices of codesign, and wide variation in the extent to which service users are …