1. Children and Young People Services, Cumbria Northumberland Tyne and Wear NHS Foundation Trust , Prudhoe, Northumberland, UK
2. Secure Services, Cumbria Northumberland Tyne and Wear NHS Foundation Trust , Newcastle upon Tyne, UK
3. Population Health Sciences Institute, Academic Psychiatry, Wolfson Research Centre , Newcastle University, UK
4. Faculty of Health & Life Sciences, Northumbria University , Newcastle upon Tyne, UK