References

• Alvesson, M., & Deetz, S. (2000). Doing critical management research. London: Sage.
   Google Scholar
• Auren, T. J. B., Jensen, A. G., Klæth, J. R., Maksic, E., & Solem, S. (2021). Intensive outpatient treatment for PTSD: A pilot feasibility study combining prolonged exposure therapy, EMDR, physical activity, and psychoeducation. European Journal of Psychotraumatology, 12(1), 1917878. doi:10.1080/20008198.2021.1917878
   Web of Science ®Google Scholar
• Becker, C. B., Zayfert, C., & Anderson, E. (2004). A survey of psychologists’ attitudes towards and utilization of exposure therapy for PTSD. Behaviour Research and Therapy, 42(3), 277–292. doi:10.1016/S0005-7967(03)00138-4
   PubMed Web of Science ®Google Scholar
• Boyatzis, R. E. (1998). Transforming qualitative information: Thematic analysis and code development. Thousand Oaks, CA: Sage.
   Google Scholar
• Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3, 77–101. doi:10.1191/1478088706qp063oa
   Google Scholar
• Brown, T. A., Barlow, D. H., & DiNardo, P. A. (1994). Anxiety disorders interview schedule adult version: Client interview schedule. New York: Oxford University Press.
   Google Scholar
• Bruijniks, S., Lemmens, L., Hollon, S., Peeters, F., Cuijpers, P., Arntz, A., … Huibers, M. (2020). The effects of once- versus twice-weekly sessions on psychotherapy outcomes in depressed patients. The British Journal of Psychiatry, 216(4), 222–230. doi:10.1192/bjp.2019.265
   PubMed Web of Science ®Google Scholar
• Castleberry, A., & Nolen, A. (2018). Thematic analysis of qualitative research data: Is it as easy as it sounds? Currents in Pharmacy Teaching and Learning, 10(6), 807–815. doi:10.1016/j.cptl.2018.03.019
   PubMed Web of Science ®Google Scholar
• Clarke, V., Braun, V., & Hayfield, N. (2015). Thematic analysis. In J. A. Smith (Ed.), Qualitative psychology: A practical guide to research methods (3rd ed., pp. 222–248). London: Sage.
   Google Scholar
• Craske, M. G., Treanor, M., Conway, C. C., Zbozinek, T., & Vervliet, B. (2014). Maximizing exposure therapy: An inhibitory learning approach. Behaviour Research and Therapy, 58, 10–23. doi:10.1016/j.brat.2014.04.006
   PubMed Web of Science ®Google Scholar
• Ehlers, A., Hackmann, A., Grey, N., Wild, J., Liness, S., Albert, I., … Clark, D. M. (2014). A randomized controlled trial of 7-day intensive and standard weekly cognitive therapy for PTSD and emotion-focused supportive therapy. American Journal of Psychiatry, 171(3), 294–304. doi:10.1176/appi.ajp.2013.13040552
   PubMed Web of Science ®Google Scholar
• Foa, E. B., Hembree, E., & Rothbaum, B. O. (2019). Prolonged exposure therapy for PTSD: Emotional processing of traumatic experiences therapist guide (2nd ed.). New York: Oxford University Press.
   Google Scholar
• Foa, E. B., McLean, C. P., Zang, Y., Rosenfield, D., Yadin, E., Yarvis, J. S., … Peterson, A. L. (2018). Effect of prolonged exposure therapy delivered over 2 weeks vs 8 weeks vs present-centered therapy on PTSD symptom severity in military personnel: A randomized clinical trial. Journal of American Medical Association, 319(4), 354–364. doi:10.1001/jama.2017.21242
   PubMed Web of Science ®Google Scholar
• Foa, E. B., Riggs, D. S., Dancu, C. V., & Rothbaum, B. O. (1993). Reliability and validity of a brief instrument for assessing post-traumatic stress disorder. Journal of Traumatic Stress, 6(4), 459–473. doi:10.1002/jts.2490060405
   Web of Science ®Google Scholar
• Goldfried, M. R. (1980). Toward the delineation of therapeutic change principles. American Psychologist, 35(11), 991–999. doi:10.1037/0003-066X.35.11.991
   PubMed Web of Science ®Google Scholar
• Goldfried, M. R. (2012). The corrective experience: A core principle for therapeutic change. In L. G. Castonguay, & C. E. Hill (Eds.), Transformation in psychotherapy: Corrective experiences across cognitive behavioral, humanistic, and psychodynamic approaches (pp. 13–29). (n.p.): American Psychological Association.
   Google Scholar
• Harvey, M. M., Rauch, S. A. M., Zalta, A. K., Sornborger, J., Pollack, M. H., Rothbaum, B. O., … Simon, N. M. (2017). Intensive treatment models to address posttraumatic stress among post-9/11 Warriors: The Warrior care network. Focus (A Journal of the American Psychiatric Association), 15(4), 378–383. doi:10.1176/appi.focus.20170022
   Google Scholar
• Hurley, E. C. (2018). Effective treatment of veterans with PTSD: Comparison between intensive daily and weekly EMDR approaches. Frontiers in Psychology, 9(1458), doi:10.3389/fpsyg.2018.01458
   Google Scholar
• Jenner, B., Flick, U., von Kardoff, E., & Steinke, I. (2004). A companion to qualitative research. London: Sage.
   Google Scholar
• Kessler, R. C., Aguilar-Gaxiola, S., Alonso, J., Benjet, C., Bromet, E. J., Cardoso, G., … Koenen, K. C. (2017). Trauma and PTSD in the WHO World Mental Health Surveys. European Journal of Psychotraumatology, 8(sup5), 1353383. doi:10.1080/20008198.2017.1353383
   PubMed Web of Science ®Google Scholar
• Kvale, S., & Brinkmann, S. (2009). Interviews: Learning the craft of qualitative research interviewing. Thousand Oaks, CA: Sage.
   Google Scholar
• Launes, G., Hagen, K., Sunde, T., Öst, L.-G., Klovning, I., Laukvik, I.-L., … Kvale, G. (2019). A randomized controlled trial of concentrated ERP, self-help and waiting list for obsessive-compulsive disorder: The bergen 4-day treatment. Frontiers in Psychology, 10, Article 2500. doi:10.3389/fpsyg.2019.02500
   Google Scholar
• Lewis, C., Roberts, N. P., Andrew, M., Starling, E., & Bisson, J. I. (2020a). Psychological therapies for post-traumatic stress disorder in adults: Systematic review and meta-analysis. European Journal of Psychotraumatology, 11(1), doi:10.1080/20008198.2020.1729633
   Web of Science ®Google Scholar
• Lewis, C., Roberts, N. P., Gibson, S., & Bisson, J. I. (2020b). Dropout from psychological therapies for post-traumatic stress disorder (PTSD) in adults: Systematic review and meta-analysis. European Journal of Psychotraumatology, 11(1), doi:10.1080/20008198.2019.1709709
   Web of Science ®Google Scholar
• Owen, J., Drinane, J. M., Idigo, K. C., & Valentine, J. C. (2015). Pscyhotherapist effects in meta-analyses: How accurate are treatment effects? Psychotherapy, 52(3), 321–328. doi:10.1037/pst0000014
   PubMed Web of Science ®Google Scholar
• Patton, M. Q. (1990). Qualitative evaluation and research methods. Thousand Oaks, CA: Sage.
   Google Scholar
• Qu, S. Q., & Dumay, J. (2011). The qualitative research interview. Qualitative Research in Accounting & Management, 8(3), 238–264. doi:10.1108/11766091111162070
   Google Scholar
• Rosenbaum, S., Sherrington, C., & Tiedemann, A. (2015a). Exercise augmentation compared with usual care for post-traumatic stress disorder: A randomized controlled trial. Acta Psychiatrica Scandinavica, 131(5), 350–359. doi:10.1111/acps.12371
   PubMed Web of Science ®Google Scholar
• Rosenbaum, S., Vancampfort, D., Steel, Z., Newby, J., Ward, P. B., & Stubbs, B. (2015b). Physical activity in the treatment of post-traumatic stress disorder: A systematic review and meta-analysis. Psychiatry Research, 230(2), 130–136. doi:10.1016/j.psychres.2015.10.017
   PubMed Web of Science ®Google Scholar
• Sandelowski, M. (2004). Using qualitative research. Qualitative Health Research, 14(10), 1366–1386. doi:10.1177/1049732304269672
   PubMed Web of Science ®Google Scholar
• Sciarrino, N. A., Warnecke, A. J., & Teng, E. J. (2020). A systematic review of intensive empirically supported treatments for posttraumatic stress disorder. Journal of Traumatic Stress, 33(4), 443–454. doi:10.1002/jts.22556
   PubMed Web of Science ®Google Scholar
• Shapiro, F. (2018). Eye movement desensitization and reprocessing (EMDR) therapy: Basic principles, protocols, and procedures (3 ed.). New York: Guilford Press.
   Google Scholar
• Sheehan, D. V., Lecrubier, Y., Sheehan, K. H., Amorim, P., Janavs, J., Weiller, E., … Dunbar, G. C. (1998). The Mini-International Neuropsychiatric Interview (MINI): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. Journal of Clinical Psychiatry. doi:10.4088/JCP.09m05305whi
   Web of Science ®Google Scholar
• Sherrill, A. M., Maples-Keller, J. L., Yasinski, C. W., Loucks, L. A., Rothbaum, B. O., & Rauch, S. A. (2020). Perceived benefits and drawbacks of massed prolonged exposure: A qualitative thematic analysis of reactions from treatment completers. Psychological Trauma: Theory, Research, Practice, and Policy. doi:10.1037/tra0000548
   PubMed Web of Science ®Google Scholar
• Smith, A. J. (Ed.). (2015). Qualitative psychology: A practical guide to research methods (3rd ed.). London: Sage .
   Google Scholar
• Sripada, R. K., Bohnert, K. M., Ganoczy, D., Blow, F. C., Valenstein, M., & Pfeiffer, P. N. (2016). Initial group versus individual therapy for posttraumatic stress disorder and subsequent follow-up treatment adequacy. Psychological Services, 13(4), 349–355. doi:10.1037/ser0000077
   PubMed Web of Science ®Google Scholar
• Van Minnen, A., Hendriks, L., Kleine, R. D., Hendriks, G.-J., Verhagen, M., & De Jongh, A. (2018). Therapist rotation: A novel approach for implementation of trauma-focused treatment in post-traumatic stress disorder. European Journal of Psychotraumatology, 9(1), doi:10.1080/20008198.2018.1492836
   Web of Science ®Google Scholar
• van Minnen, A., Hendriks, L., & Olff, M. (2010). When do trauma experts choose exposure therapy for PTSD patients? A controlled study of therapist and patient factors. Behaviour Research and Therapy, 48(4), 312–320. doi:10.1016/j.brat.2009.12.003
   PubMed Web of Science ®Google Scholar
• van Woudenberg, C., Voorendonk, E. M., Bongaerts, H., Zoet, H. A., Verhagen, M., Lee, C. W., … De Jongh, A. (2018). Effectiveness of an intensive treatment programme combining prolonged exposure and eye movement desensitization and reprocessing for severe post-traumatic stress disorder. European Journal of Psychotraumatology, 9(1), doi:10.1080/20008198.2018.1487225
   PubMed Web of Science ®Google Scholar
• Watson, P. (2019). PTSD as a public mental health priority. Current Psychiatry Reports, 21(7), 61. doi:10.1007/s11920-019-1032-1
   Web of Science ®Google Scholar
• Watts, B. V., Schnurr, P. P., Mayo, L., Young-Xu, Y., Weeks, W. B., & Friedman, M. J. (2013). Meta-analysis of the efficacy of treatments for posttraumatic stress disorder. Journal of Clinical Psychiatry, 74(6), e541–e550. doi:10.4088/JCP.12r08225
   PubMed Web of Science ®Google Scholar