Affiliation: | 1. UCLH NHS Foundation Trust Child and Adolescent Psychological Services, London, UK;2. Human Development and Health Academic Unit, University of Southampton, Southampton, UK;3. UCL Institute of Child Health, London, UK;4. UCLH NHS Foundation Trust Paediatric and Adolescent Diabetes Service, London, UK;5. Faculty of Health and Social Science, Bournemouth University, Bournemouth, UK |