[1] Univ Nottingham, Sch Med, Mental Hlth & Clin Neurosci, Nottingham, England
[2] Bangor Univ, North Wales Org Randomised Trials Hlth & Social, Bangor, Gwynedd, Wales
[3] Nottingham Univ Hosp NHS Trust, Dept Neurol, Nottingham, England
[4] SINTEF Digital, Trondheim, Norway
[5] Nottinghamshire Healthcare NHS Fdn Trust, Inst Mental Hlth, Nottingham, England