 2. The Life Events Checklist LEC Weathers et al., 2013 will be administered in session 1 or 2, but before treatment commences, to determine a specific trauma that patients have been subjected to within their life. The LEC is a measure of exposure to potentially traumatic events, which was developed at the National Centre for Posttraumatic Stress Disorder PTSD. Once a trauma has been identified this will be the specific trauma that will be used within treatment. 