[1] Univ Glasgow, Inst Hlth & Wellbeing, Gartnavel Royal Hosp, Acad Unit Mental Hlth & Wellbeing, Glasgow G12 0XH, Lanark, Scotland
[2] Cardiff Univ, Univ Wales Hosp, Inst Psychol Med & Clin Neurosci, Sch Med, Cardiff CF14 4DW, S Glam, Wales
[3] Cardiff Univ, Inst Translat Innovat Methodol & Engagement, SE Wales Trials Unit, Sch Med, Cardiff CF14 4YS, S Glam, Wales