1. Department of Psychology, Maynooth University, Kildare, Ireland
2. School of Psychology, Ulster University, Derry, Northern Ireland
3. NHS Lothian, Rivers Centre for Traumatic Stress, Edinburgh, UK
4. National Center for PTSD Dissemination and Training Division, VA Palo Alto Health Care System, Palo Alto, CA, USA
5. Department of Psychiatry and Behavioural Sciences, Stanford University, Stanford, CA, USA
6. School of Health & Social Care, Edinburgh Napier University, Edinburgh, UK