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. 2022 Mar 9;12(3):e050305. doi: 10.1136/bmjopen-2021-050305

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow diagram. The number of dyads (k) and the number of participants with PTSD symptoms (n) are provided. Reasons for exclusions are given. ICU, intensive care unit; PTSD, post-traumatic stress disorder.