[1] Univ Nottingham, Ctr Rehabil & Ageing Res, Nottingham, England
[2] Nottingham Univ Hosp NHS Trust, Nottingham, England
[3] Univ Nottingham, Mental Hlth & Clin Neurosci, Nottingham, England
[4] SINTEF, Hlth Div, Trondheim, Norway
[5] Nottinghamshire Healthcare Trust, Inst Mental Hlth, Nottingham, England
[6] Queens Univ Belfast, Belfast, Antrim, North Ireland
[7] Leeds Teaching Hosp NHS Trust, Leeds, W Yorkshire, England
[8] Univ Leeds, Leeds, W Yorkshire, England