Havermans, D. C. D., van Alphen, B., Olff, M., van der Velden-Daamen, M., Verhey, F., Rutten, B. P. F., Stuijts, P., Cook, J. M., & Sobczak, S. (2023). The need for a diagnostic instrument to assess post-traumatic stress disorder in people with dementia: Findings from a Delphi Study. Journal of Geriatric Psychiatry and Neurology, 36(2), 129-142.