Date	Event	Description
31 July 2004	New search has been performed	New studies found and included or excluded: Search strategy for identification of studies: Novo Nordisk provided studies pertinent to the review question. No further or unpublished trials were identified. Characteristics of ongoing studies: Information about two formerly identified 'ongoing' trials was provided by Dr Matthew Kiln. One study was published as an Audit Report for the Health Authority, another study was not a randomised trial but a systematic recording of case histories. Both studies were deleted from the 'ongoing studies' section. Discussion: Section added about a recently published cross‐sectional survey of severe hypoglycaemia in 1984 and 1998. July 2004: Updated search in Medline, Embase and The Cochrane Library. One detected study (Miglani 2004) was excluded.