The Government in England has put out a call for evidence on how to deal with ABI. (It even claims you can reply if you're from another UK country although health and care are devolved matters but some of it might be relevant.)
"The government is making a new plan for acquired brain injury (ABI). We want to know your thoughts and ideas about what should be in the plan."
This consultation closes at
11:45pm on 6 June 2022