1. Department of General Adult Psychiatry, Glan Clwyd Hospital, Rhuddlan Road, Bodelwyddan, Rhyl LL18 5UJ, UK
2. Department of General Practice, Kingsway Surgery, 23 Kingsway, Braunstone Town, Leicester, LE3 2JN, UK
3. Department of Generic Nursing, School of Nursing, Sindh Government Hospital Korangi No. 5, Karachi, Pakistan
4. Department of Public Health, School of Health and Related Research, 30 Regent St, Sheffield City Centre, Sheffield S1 4DA, UK
5. Department of Elderly Care, Richmond Heights Nursing Home, 42B Woodhouse Rd, Intake, Sheffield S12 2AZ, UK