[1] Univ Glasgow, Sch Hlth & Wellbeing, Clarice Pears Bldg,90 Byres Rd, Glasgow G12 8TB, Scotland
[2] Cumbria Northumberland Tyne & Wear NHS Fdn Trust, Community Learning Disabil Serv, Workington, England
[3] Univ Warwick, Ctr Res Intellectual & Dev Disabil, Coventry, England
[4] Promoting A More Inclus Soc PAMIS, Dundee, Scotland
[5] Univ Lancaster, Div Hlth Res, Lancaster, England
[6] Manchester Metropolitan Univ, Dept Social Care & Social Work, Manchester, England