[1] Edinburgh Napier Univ, Sch Hlth & Social Care, Edinburgh, Midlothian, Scotland
[2] NHS Lothian, Rivers Ctr Traumat Stress, Edinburgh, Midlothian, Scotland
[3] Natl Coll Ireland, Sch Business, Dublin, Ireland
[4] Trinity Coll Dublin, Ctr Global Hlth, Dublin, Ireland
[5] Cardiff Univ, Sch Med, Cardiff, S Glam, Wales
[6] Cardiff & Vale Univ Hlth Board, Psychol & Psychol Therapies Directorate, Cardiff, S Glam, Wales
[7] Stanford Univ, Palo Alto Hlth Care Syst, Natl Ctr PTSD, Palo Alto, CA 94304 USA
[8] Ulster Univ, Sch Psychol, Derry, North Ireland