"The above patient of mine has a past history of a depressive illness with panic attacks. Her recent invite to attend Court as a witness is causing a recurrence of her symptoms and I would suggest that it would be in her best interests if she was able to submit written evidence rather than having to appear in Court."
"(1) In criminal proceedings a statement not made in oral evidence in the proceedings is admissible as evidence of any matter stated if— (a) oral evidence given in the proceedings by the person who made the statement would be admissible as evidence of that matter, (b) the person who made the statement (the relevant person) is identified to the court's satisfaction, and (c) any of the five conditions mentioned in subsection (2) is satisfied."
"... that the relevant person is unfit to be a witness because of his bodily or mental condition;"