1 Division of Psychiatry, University College London, London, UK. Electronic address: francesca.solmi@ucl.ac.uk.
2 Centre for Academic Mental Health, Population Health Science, School of Policy Studies University of Bristol, Bristol, UK; Gloucestershire Health and Care NHS Foundation Trust, Gloucester, UK.
3 Centre for Exercise, Nutrition and Health Sciences, School of Policy Studies University of Bristol, Bristol, UK; Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; Department of Psychiatry, New York State Psychiatric Institute, New York, NY.
4 Division of Psychiatry, University College London, London, UK.