[1] Univ Liverpool, Fac Hlth & Life Sci, Liverpool, England
[2] Mersey Care NHS Fdn Trust, Liverpool, England
[3] Univ Manchester, Ctr Mental Hlth & Safety, Div Psychol & Mental Hlth, Manchester, England
[4] Univ Manchester, NIHR Greater Manchester Patient Safety Res Collabo, Manchester, England
[5] Manchester Acad Hlth Sci Ctr MAHSC, Manchester, England