[1] UCL, Div Psychiat, NIHR Mental Hlth Policy Res Unit, London, England
[2] Camden & Islington NHS Fdn Trust, London, England
[3] UCL, Div Psychol & Language Sci, London, England
[4] City Univ London, Ctr Hlth Serv Res, Sch Hlth Sci, London, England
[5] Univ Birmingham, Sch Social Policy, Inst Mental Hlth, Birmingham, W Midlands, England
[6] UCL, NIHR Mental Hlth Policy Res Unit, Covid 19 Coprod Grp, Div Psychiat, London, England
[7] UCL, Evidence Based Practice Unit, London, England
[8] Anna Freud Natl Ctr Children & Families, London, England
[9] St Georges Univ London, Populat Hlth Res Inst, London, England
[10] Kings Coll London, Inst Psychiat Psychol & Neurosci, NIHR Mental Hlth Policy Res Unit, London, England
[11] Florence Nightingale Fac Nursing Midwifery & Pall, Dept Mental Hlth Nursing, London, England