Follow-up will be performed six months after the trauma event, and will be two-tiered. The first level will be administered over the phone and constituted of the extended version of the Glasgow Outcome Scale (GOSe) and a health-related quality of care questionnaire. The second level will encompass a patient's full examination that, for children, will include a dedicated sleep disturbances study. The second level follow-up will be performed in a selected subgroup of ICUs.