1. The Traumatic Stress Clinic, Camden and Islington Foundation Trust, 73 Charlotte Street, London W1T 4PL, UK,
2. The Traumatic Stress Clinic, Camden & Islington Foundation Trust, 73 Charlotte Street, London W1T 4PL, UK
3. Clinical Department, Educational and Health Psychology, University College London, Gower Street, London, WC1E 6BT, UK