1. Division of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, UK
2. Cwm Taf Morgannwg University Health Board, Wales, UK
3. Wolfson Centre for Young People’s Mental Health, Cardiff University, UK
4. MRC Integrative Epidemiology Unit, University of Bristol, UK
5. School of Psychology, Cardiff University, UK