American Psychiatric Association (2013). Diagnostic and Statistical Manual for Mental Disorders, fifth edn. American Psychiatric Association: Washington, DC.
Brewin, CR, Gregory, JD, Lipton, M, Burgess, N (2010). Intrusive memories in psychological disorders: characteristics, neural mechanisms, and treatment implications. Psychological Review
Cantril, H (1965). The Pattern of Human Concerns. Rutgers University Press: New Brunswick, NJ.
Dyb, G, Jensen, TK, Nygaard, E, Ekeberg, Ø, Diseth, TH, Wentzel-Larsen, T, Thoresen, S (2014). Post-traumatic stress reactions in survivors of the 2011 massacre on Utøya Island, Norway. British Journal of Psychiatry
Galatzer-Levy, IR, Bryant, RA (2013). 636,120 Ways to have posttraumatic stress disorder. Perspectives on Psychological Science
Hafstad, GS, Dyb, G, Jensen, TK, Steinberg, AM, Pynoos, RS (2014). PTSD prevalence and symptom structure of DSM-5 criteria in adolescents and young adults surviving the 2011 shooting in Norway. Journal of Affective Disorders
Hansen, M, Hyland, P, Armour, C, Shevlin, M, Elklit, A (2015). Less is more? Assessing the validity of the ICD-11 model of PTSD across multiple trauma samples. European Journal of Psychotraumatology
Hyland, P, Shevlin, M, McNally, S, Murphy, J, Hansen, MB, Elklit, A (2016). Exploring differences between the ICD-11 and DSM-5 models of PTSD: does it matter which model is used?
Journal of Anxiety Disorders
Maercker, A, Brewin, CR, Bryant, RA, Cloitre, M, Reed, GM, van Ommeren, M, Humayun, A, Jones, LM, Kagee, A, Llosa, AE, Rousseau, C, Somasundaram, DJ, Souza, R, Suzuki, Y, Weissbecker, I, Wessely, SC, First, MB, Saxena, S (2013
a). Proposals for mental disorders specifically associated with stress in the International Classification of Diseases-11. Lancet
Maercker, A, Brewin, CR, Bryant, RA, Cloitre, M, van Ommeren, M, Jones, LM, Humayan, A, Kagee, A, Llosa, AE, Rousseau, C, Somasundaram, DJ, Souza, R, Suzuki, Y, Weissbecker, I, Wessely, SC, First, MB, Reed, GM (2013
b). Diagnosis and classification of disorders specifically associated with stress: proposals for ICD-11. World Psychiatry
Maercker, A, Perkonigg, A (2013). Applying an international perspective in defining PTSD and related disorders: comment on Friedman (2013). Journal of Traumatic Stress
Morina, N, van Emmerik, AAP, Andrews, B, Brewin, CR (2014). Comparison of DSM-IV and proposed ICD-11 formulations of PTSD among civilian survivors of war and war veterans. Journal of Traumatic Stress
O'Donnell, ML, Alkemade, N, Nickerson, A, Creamer, M, McFarlane, AC, Silove, D, Bryant, RA, Forbes, D (2014). Impact of the diagnostic changes to post-traumatic stress disorder for DSM-5 and the proposed changes to ICD-11. British Journal of Psychiatry
Pynoos, RS, Rodriguez, N, Steinberg, AM, Stuber, M, Frederick, C (1998). UCLA PTSD Index for DSM-IV. UCLA Trauma Psychiatry Service: Los Angeles, CA.
Pynoos, RS, Steinberg, AM (2013). UCLA PTSD Reaction Index for Children and Adolescents – DSM-5. UCLA Trauma Psychiatry Service: Los Angeles, CA.
Stein, DJ, McLaughlin, KA, Koenen, KC, Atwoli, L, Friedman, MJ, Hill, ED, Maercker, A, Petukhova, M, Shahly, V, van Ommeren, M, Alonso, J, Borges, G, de Girolamo, G, de Jonge, P, Demyttenaere, K, Florescu, S, Karam, EG, Kawakam, N, Matschinger, H, Okoliyski, M, Posada-Villa, J, Scott, KM, Viana, MC, Kessler, RC (2014). DSM-5 and ICD-11 definition of posttraumatic stress disorder: investigating “narrow” and “broad” approaches. Depression and Anxiety
Steinberg, AM, Brymer, M, Decker, K, Pynoos, RS (2004). The UCLA PTSD reaction index. Current Psychiatry Reports
Steinberg, AM, Brymer, MJ, Kim, S, Briggs, EC, Ippen, CG, Ostrowski, SA, Gully, KJ, Pynoos, RS (2013). Psychometric properties of the UCLA PTSD reaction index: part 1. Journal of Traumatic Stress
Stene, LE, Dyb, G (2016). Research participation after terrorism: an open cohort study of survivors and parents after the 2011 Utøya attack in Norway. BMC Research Notes
Strand, BH, Dalgard, OS, Tambs, K, Rognerud, M (2003). Measuring the mental health status of the Norwegian population: a comparison of the instruments SCL-25, SCL-10, SCL-5 and MHI-5 (SF-36). Nordic Journal of Psychiatry
Tambs, K, Moum, T (1993). How well can a few questionnaire items indicate anxiety and depression?
Acta Psychiatrica Scandinavica
Wisco, BE, Miller, MW, Wolf, EJ, Kilpatrick, DG, Resnick, HS, Badour, CL, Marx, BP, Keane, TM, Rosen, RC, Friedman, MJ (2016). The impact of the proposed changes to ICD-11 in estimates of PTSD prevalence and comorbidity. Psychiatry Research