[1] UCL, Div Psychiat, NIHR Mental Hlth Policy Res Unit, London, England
[2] UCL, Res Dept Clin Educ & Hlth Psychol, Ctr Outcomes Res & Effectiveness, London, England
[3] Royal Coll Psychiatrists, Natl Collaborating Ctr Mental Hlth, London, England
[4] UCL, Div Psychiat, NIHR Mental Hlth Policy Res Unit, Lived Experience Working Grp, London, England
[5] London Sch Econ & Polit Sci, Care Policy & Evaluat Ctr, London, England
[6] UCL, Dept Epidemiol & Publ Hlth, UCL Inst Hlth Equ, London, England
[7] City Univ London, Sch Hlth & Psychol Sci, Ctr Hlth Serv Res, London, England
[8] Kings Coll London, NIHR Mental Hlth Policy Res Unit, London, England
[9] Univ York, Sch Business & Soc, Heslington, England
[10] Camden & Islington NHS Fdn Trust, London, England
[11] UCL, Div Psychiat, Maple House,149 Tottenham Court Rd, London W1T 7BN, England