[1] Univ Hull, Fac Hlth Sci, 01482 464170 Dearne Bldg,Cottingham Rd, Kingston Upon Hull HU6 7RX, N Humberside, England
[2] Humber Teaching NHS Fdn Trust, Dept Clin Psychol Older People, Willerby Hill, Kingston Upon Hull, N Humberside, England
[3] Leeds & York Partnership NHS Fdn Trust, Dept Clin Psychol Older People, Century Way, Leeds, W Yorkshire, England
[4] Univ Leeds, Leeds Inst Hlth Sci, Dept Clin Psychol Older People, Leeds, W Yorkshire, England
[5] Bradford Dist Care NHS Fdn Trust, Dept Clin Psychol Older People, Lynfield Mt Hosp, Osprey House, Kingston Upon Hull, N Humberside, England
[6] Cambridgeshire & Peterborough NHS Fdn Trust, Dept Clin Psychol Older People, Windsor Unit, Fulbourn Hosp, Cambridge, England
[7] Univ Cambridge, Dept Psychiat, Cambridge, England