Cornelius Katona is Honorary Professor in the Department of Mental and Health Sciences, University College London, and Honorary Consultant Psychiatrist, Kent and Medway NHS and Social Care Partnership Trust.
Claudia Cooper is Senior Lecturer in Old Age Psychiatry, University College London, and Honorary Consultant Psychiatrist, Camden and Islington NHS Foundation Trust.
Mary Robertson is Emeritus Professor in Neuropsychiatry, University College London, and Visiting Professor and Honorary Consultant, St George's Hospital and Medical School, London.