- Peter Fonagy: Research Department of Clinical, Educational and Health Psychology, University College London, London WC1E 6BT, UK.
- Chloe Campbell: Research Department of Clinical, Educational and Health Psychology, University College London, London WC1E 6BT, UK.
- Patrick Luyten: Research Department of Clinical, Educational and Health Psychology, University College London, London WC1E 6BT, UK.