Multiple people are the author of this article Bowler, Rosemarie M Harris, Matthew Li, Jiehui Gocheva, Vihra Stellman, Steven D Wilson, Katherine Alper, Howard Schwarzer, Ralf Cone, James E. This shows that this must be an accurate article. Also this article is found at https://pubmed.ncbi.nlm.nih.gov/22213367/ which shows that it is likely to be a reliable source. Rosemarie Bowler went to San Francisco University and is a Neuropsychologist who researches about the affects  disasters. There’s also multiple references that show that this is peer reviewed article. This article also cites where it got in information by citing multiple sources. I think it’s a high reliable source because it shows multiple references and is peer reviewed .