1. School of Health & Social Care, Edinburgh Napier University, Edinburgh EH11 4BN, UK
2. NHS Lothian Rivers Centre, EH11 1BG, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305, USA
3. NHS Forth Valley, Mayfield Building, Falkirk Community Hospital, Scotland FK1 5QE, UK
4. National Centre for PTSD, Dissemination and Training Division, VA Palo Alto Health Care System, 795 Willow Road, Menlo Park, CA 94025, USA
5. Department of Psychiatry and Behavioral Sciences, Stanford University, Palo Alto, CA 94305, USA