Public involvement in health outcomes research: lessons learnt from the development of the recovering quality of life (ReQoL) measures oleh Andrew Grundy, Anju Devianee Keetharuth, Rosemary Barber, Jill Carlton, Janice Connell, Elizabeth Taylor Buck, Michael Barkham, Thomas Ricketts, Dan Robotham, Diana Rose, John Kay, Rob Hanlon, John Brazier