1. Dementia Researcher, Dementia Research Centre; North East London NHS Foundation Trust; Ilford; Essex; UK
2. Consultant in Psychiatry of Old Age, North Tyneside General Hospital, and Honorary Professor of Philosophy of Ageing; Institute for Ageing and Health, Newcastle University; Newcastle upon Tyne; UK
3. Visiting Professor of Dementia, Northumbria University and Head of Newcastle Older Adult Psychology Service, Newcastle Older Adult Psychology Service, Akenside Offices, Campus for Ageing and Vitality; Formerly Newcastle General Hospital; Newcastle upon Tyne; UK
4. Professor of Human Movement Science; Institute for Ageing and Health, Newcastle University, Clinical Ageing Research Unit; Newcastle upon Tyne; UK