1. King’s Centre for Military Health Research, Psychological Medicine, King’s College London, London, UK;
2. ADVANCE study, Academic Department of Military Rehabilitation, Defence Medical Rehabilitation Centre Stanford Hall, Loughborough, UK;
3. Department of Postgraduate Medical Education, Bournemouth University, Poole, UK;
4. Department of Psychological Medicine, King’s College London, London, UK;
5. Academic Department for Military Mental Health, King’s College London, London, UK