[1] Univ Cent Lancashire, Sch Community Hlth & Midwifery, Preston, Lancs, England
[2] Univ Glasgow, Inst Hlth & Wellbeing, Suicidal Behav Res Lab, Glasgow, Lanark, Scotland
[3] Katholieke Univ Leuven, Ctr Contextual Psychiat, Leuven, Belgium
[4] Cumbria Northumberland Tyne & Wear NHS Fdn Trust, First Step, Penrith, NSW, Australia