1. Department of Veterinary Medicine; Queen's Veterinary School Hospital; Cambridge University; Madingley Road Cambridge CB3 0ES UK
2. The Mycology Reference Laboratory; South-West Regional Laboratory; Myrtle Road Bristol BS2 8EL UK
3. Health Protection Agency; Bristol UK
4. Internal Medicine Unit; Maisons-Alfort Veterinary School; 7 Avenue du Général de Gaulle Maisons-Alfort 94700 France
5. Department of Veterinary Medicine; School Veterinary Medicine; University of Glasgow; 464 Bearsden Road Glasgow G61 1QH UK