1. Population Policy and Practice, UCL Great Ormond Street Institute of Child Health Population Policy and Practice, London, United Kingdom of Great Britain and Northern Ireland
2. Division of Psychiatry, University College London, London, United Kingdom of Great Britain and Northern Ireland
3. NELFT Research & Development Department, North East London NHS Foundation Trust Maggie Lilley Suite, Goodmayes Hospital, London, United Kingdom of Great Britain and Northern Ireland
4. Independent consultant, Brighton, United Kingdom of Great Britain and Northern Ireland
5. Havering Community Recovery Team, Harold Wood, United Kingdom of Great Britain and Northern Ireland