[1] South West London & St Georges NHS Trust, Traumat Stress Serv, Springfield Univ Hosp, Bldg 2,61 Glenburnie Rd, London SW17 7DJ, England
[2] Royal Holloway Univ London, Psychol Dept, Egham Hill, Egham TW20 0EX, Surrey, England
[3] Univ Oxford, Oxford Ctr Anxiety Disorders & Trauma, Paradise Sq, Oxford OX1 1TW, England
[4] Camden & Islington NHS Fdn Trust, Traumat Stress Clin, St Pancras Hosp, 4th Floor,West Wing,4 St Pancras Way, London NW1 0PE, England