1. Scrapie Epidemiology Group; Centre for Epidemiology and Risk Analysis
2. Epidemiology Division; Department of Veterinary Clinical Sciences; Royal Veterinary College; Hawkshead Lane, North Mymms Hatfield Hertfordshire AL9 7TA
3. National Scrapie Plan Administration Centre; DEFRA; Whittington Road Worcester WR5 2SU
4. Neuropathology Unit; Department of Pathology; Veterinary Laboratories Agency Weybridge; Woodham Lane, New Haw Addlestone Surrey KT15 3NB