1. Mental Health Policy Research Unit, Division of Psychiatry University College London Maple House, 149 Tottenham Court Road London W1T 7BN UK
2. Department of Psychiatry, Faculty of Medicine University of Granada Granada Spain
3. Institute of Neurosciences, Biomedical Research Centre (CIBM) University of Granada Granada Spain
4. Department of Applied Health Research University College London 1‐19 Torrington Place London WC1E 7HB UK