I was interested to read about the newly appointed job-sharing chief executives of the National Patient Safety Agency (news focus, pages 14-15, 27 September).

They seem to think this is the first agency of its kind in the world. Not so, ladies.

They might want to get in touch with the National Patient Safety Foundation, 515 N State Street, Chicago, IL 60610, or check out its excellent website, www. npsf. org Rebekah Ley Clinical risk assessment researcher Ipswich Hospital trust