1 Emeritus Professor of Clinical Outcomes Research, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK Email: alastair.macdonald@kcl.ac.uk.
2 Consultant Psychiatrist, St Columba's Hospital, Eire.
3 Emeritus Professor of Social Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK.
4 Professor of Psychiatric Research, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK.