1. Dr Yahya is a Consultant Psychiatrist at the Priory Hospital North London; Dr Khawaja is a Consultant Psychiatrist and ECT Clinical Lead at North East London NHS Foundation Trust; Dr Naguib is a Locum Consultant Psychiatrist at North East London NHS Foundation Trust, and was previously a Consultant in Psychiatric Intensive Care at Barnet, Enfield and Haringey Mental Health NHS Trust.