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Dr Stephan Kolassa

Honorary Researcher

  1. 2020
  2. Published

    Integrated genetic, epigenetic, and gene set enrichment analyses identify NOTCH as a potential mediator for PTSD risk after trauma: Results from two independent African cohorts

    Conrad, D., Wilker, S., Schneider, A., Karabatsiakis, A., Pfeiffer, A., Kolassa, S., Freytag, V., Vukojevic, V., Vogler, C., Milnik, A., Papassotiropoulos, A., J.-F. de Quervain, D., Elbert, T. & Kolassa, I. T., 1/01/2020, In: Psychophysiology. 57, 1, e13288.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  3. 2019
  4. Published

    Investigating the effects of childhood maltreatment on pro-inflammatory signaling: The influence of cortisol and DHEA on cytokine secretion ex vivo

    Geiger, M. L., Boeck, C., Koenig, A. M., Schury, K., Waller, C., Kolassa, S., Karabatsiakis, A. & Kolassa, I. T., 1/03/2019, In: Mental Health & Prevention. 13, p. 176-186 11 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. 2018
  6. Published

    Genetic variation is associated with PTSD risk and aversive memory: Evidence from two trauma-Exposed African samples and one healthy European sample

    Wilker, S., Schneider, A., Conrad, D., Pfeiffer, A., Boeck, C., Lingenfelder, B., Freytag, V., Vukojevic, V., Vogler, C., Milnik, A., Papassotiropoulos, A., J.-F. de Quervain, D., Elbert, T., Kolassa, S. & Kolassa, I. T., 1/12/2018, In: Translational Psychiatry. 8, 1, 251.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  7. Published

    Commentary on Retail Forecasting

    Kolassa, S., 1/10/2018, In: International Journal of Forecasting. 34, 4, p. 830-831 2 p.

    Research output: Contribution to Journal/MagazineComment/debatepeer-review

  8. Published

    Retail forecasting: research and practice

    Fildes, R. A., Ma, S. & Kolassa, S., 10/2018, Lancaster.

    Research output: Working paper

  9. Published

    Auditory memory decay as reflected by a new mismatch negativity score is associated with episodic memory in older adults at risk of dementia

    Laptinskaya, D., Thurm, F., Küster, O. C., Fissler, P., Schlee, W., Kolassa, S., von Arnim, C. A. F. & Kolassa, I. T., 2/02/2018, In: Frontiers in Aging Neuroscience. 10, FEB, 5.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  10. 2017
  11. Published

    Does trauma event type matter in the assessment of traumatic load?

    Conrad, D., Wilker, S., Pfeiffer, A., Lingenfelder, B., Ebalu, T., Lanzinger, H., Elbert, T., Kolassa, I. T. & Kolassa, S., 30/09/2017, In: European journal of psychotraumatology. 8, 1, 1344079.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  12. Published

    Alterations of hair cortisol and dehydroepiandrosterone in mother-infant-dyads with maternal childhood maltreatment

    Schury, K., Koenig, A. M., Isele, D., Hulbert, A. L., Krause, S., Umlauft, M., Kolassa, S., Ziegenhain, U., Karabatsiakis, A., Reister, F., Guendel, H., Fegert, J. M. & Kolassa, I. T., 6/06/2017, In: BMC Psychiatry. 17, 1, 213.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  13. 2016
  14. Published

    Cognitive change is more positively associated with an active lifestyle than with training interventions in older adults at risk of dementia: A controlled interventional clinical trial

    Küster, O. C., Fissler, P., Laptinskaya, D., Thurm, F., Scharpf, A., Woll, A., Kolassa, S., Kramer, A. F., Elbert, T., von Arnim, C. A. F. & Kolassa, I. T., 8/09/2016, In: BMC Psychiatry. 16, 1, 315.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  15. Published

    Evaluating Predictive Count Data Distributions in Retail Sales Forecasting

    Kolassa, S., 1/07/2016, In: International Journal of Forecasting. 32, 3, p. 788-803 16 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  16. Published

    Supply chain forecasting: theory, practice, their gap and the future

    Syntetos, A., Babai, Z., Boylan, J. E., Kolassa, S. & Nikolopoulos, K., 1/07/2016, In: European Journal of Operational Research. 252, 1, p. 1-26 26 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  17. Published

    Sometimes It's Better to be Simple Than Correct

    Kolassa, S., 1/01/2016, In: Foresight. 2016, 40, p. 20-26 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  18. 2015
  19. Published

    How to quantify exposure to traumatic stress? Reliability and predictive validity of measures for cumulative trauma exposure in a post-conflict population

    Wilker, S., Pfeiffer, A., Kolassa, S., Koslowski, D., Elbert, T. & Kolassa, I.-T., 1/12/2015, In: European Journal of Psychotraumatology. 6, 1, 10 p., 28306.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  20. Published

    Metabolite profiling in posttraumatic stress disorder

    Karabatsiakis, A., Hamuni, G., Wilker, S., Kolassa, S., Renu, D., Kadereit, S., Schauer, M., Hennessy, T. & Kolassa, I.-T., 2015, In: Journal of Molecular Psychiatry. 3, 1, 11 p., 2.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  21. Published

    Retail analytics: integrated forecasting and inventory management for perishable products in retailing: Book review

    Kolassa, S., 2015, In: Journal of the Operational Research Society. 66, 12, p. 2103-2104 2 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  22. 2014
  23. Published

    The effect of trauma-focused therapy on the altered T cell distribution in individuals with PTSD: Evidence from a randomized controlled trial

    Morath, J., Gola, H., Sommershof, A., Hamuni, G., Kolassa, S., Catani, C., Adenauer, H., Ruf-Leuschner, M., Schauer, M., Elbert, T., Groettrup, M. & Kolassa, I.-T., 1/07/2014, In: Journal of Psychiatric Research. 54, p. 1-10 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  24. Published

    Effects of psychotherapy on DNA strand break accumulation originating from traumatic stress

    Morath, J., Moreno-Villanueva, M., Hamuni, G., Kolassa, S., Ruf-Leuschner, M., Schauer, M., Elbert, T., Bürkle, A. & Kolassa, I.-T., 2014, In: Psychotherapy and Psychosomatics. 83, 5, p. 289-297 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  25. Published

    Mitochondrial respiration in peripheral blood mononuclear cells correlates with depressive subsymptoms and severity of major depression

    Karabatsiakis, A., Böck, C., Salinas-Manrique, J., Kolassa, S., Calzia, E., Dietrich, D. E. & Kolassa, I.-T., 2014, In: Translational Psychiatry. 4, 7 p., e397.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  26. Published

    Telomere shortening in leukocyte subpopulations in depression

    Karabatsiakis, A., Kolassa, I.-T., Kolassa, S., Rudolph, K. L. & Dietrich, D. E., 2014, In: BMC Psychiatry. 14, 7 p., 192.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  27. Published

    The role of FKBP5 genotype in moderating long-term effectiveness of exposure-based psychotherapy for posttraumatic stress disorder

    Wilker, S., Pfeiffer, A., Kolassa, S., Elbert, T., Lingenfelder, B., Ovuga, E., Papassotiropoulos, A., De Quervain, D. & Kolassa, I.-T., 2014, In: Translational Psychiatry. 4, 7 p., e403.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  28. 2013
  29. Published

    The Role of Memory-related Gene WWC1 (KIBRA) in Lifetime Posttraumatic Stress Disorder: Evidence from Two Independent Samples from African Conflict Regions

    Wilker, S., Kolassa, S., Vogler, C., Lingenfelder, B., Elbert, T., Papassotiropoulos, A., de Quervain, D. J.-F. & Kolassa, I.-T., 1/11/2013, In: Biological Psychiatry. 74, 9, p. 664-671 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  30. Published

    Posttraumatic stress disorder is associated with an enhanced spontaneous production of pro-inflammatory cytokines by peripheral blood mononuclear cells

    Gola, H., Engler, H., Sommershof, A., Adenauer, H., Kolassa, S., Schedlowski, M., Groettrup, M., Elbert, T. & Kolassa, I.-T., 31/01/2013, In: BMC Psychiatry. 13, 1, 8 p., 40.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  31. Published

    Effects of aging and mild cognitive impairment on electrophysiological correlates of performance monitoring

    Thurm, F., Antonenko, D., Schlee, W., Kolassa, S., Elbert, T. & Kolassa, I.-T., 2013, In: Journal of Alzheimer's Disease. 35, 3, p. 575-587 13 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  32. Published

    Forecasting and optimisation for big data: Lessons from the retail business

    Kolassa, S., 2013, OR55 Keynotes and Extended Abstracts - 55th Conference of the Operational Research Society 2013. Operational Research Society

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  33. Published

    Forecasting to Meet Demand

    Martin, R. & Kolassa, S., 2013, In: Foresight: The International Journal of Applied Forecasting. 28, p. 5-11 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

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