1. Centre for Health of the Elderly; Castleside Offices; Newcastle General Hospital Newcastle Upon Tyne UK NE4 6BE
2. University of British Columbia; Department of Psychiatry; Suite 430 Strangway Building 5950 University Boulevard Vancouver Canada V6T 1Z3
3. Royal Victoria Infirmary; Department of Psychiatry, Leazes Wing; Queen Victoria Rd Newcastle-upon-Tyne Tyne and Wear UK NE1 4LP
4. University of Oxford; Department of Psychiatry; Warneford Hospital Oxford UK OX3 7JK
5. University of British Columbia; Department of Psychiatry; Suite 430 Strangway Building 5950 University Boulevard Vancouver Canada V6T 1Z3