[1] Univ Nottingham, Ctr Rehabil & Ageing Res, Sch Med, Nottingham, England
[2] NIHR Nottingham Biomed Res Ctr, Nottingham, England
[3] Derbyshire Community Hlth Serv NHS Trust, Derby, England
[4] Univ Nottingham, Sch Med, Mental Hlth & Clin Neurosci, Nottingham, England
[5] Nottinghamshire Healthcare Trust, Inst Mental Hlth, Nottingham, England
[6] SINTEF, Hlth Div, Trondheim, Norway
[7] Nottingham Univ Hosp NHS Trust, Nottingham, England
[8] Queens Univ Belfast, Queens Business Sch, Belfast, North Ireland
[9] Leeds Teaching Hosp NHS Trust, Leeds, England
[10] Univ Leeds, Fac Med & Hlth, Leeds, England
[11] Lay Coauthor, York, England