1. Department of Psychiatry, University of Oxford Warneford Hospital Oxford UK OX3 7JX
2. Teaching, Research & Innovation Unit, Parc Sanitari Sant Joan de Déu Sant Boi de Llobregat Spain
3. Consortium for Biomedical Research in Epidemiology & Public Health (CIBER Epidemiology and Public Health, CIBERESP) Madrid Spain 28029
4. Associate Professor, Department of Psychiatry, University of Oxford Warneford Hospital Oxford UK OX3 7JX
5. Outreach and Enquiry Services Manager, Bodleian Health Care Libraries University of Oxford UK OX3 7JX
6. Professor, Department of Psychiatry, University of Oxford Warneford Hospital Oxford UK OX3 7JX