1. TB Research Group, Department of Statutory and Exotic Bacterial Diseases, Veterinary Laboratories Agency Weybridge, New Haw, Surrey KT15 3NB, United Kingdom
2. Chembio Diagnostic Systems, Inc., Medford, New York 11763
3. Veterinary Laboratories Agency Carmarthen, Johnstown, Carmarthen SA31 3EZ, United Kingdom
4. Veterinary Laboratories Agency Shrewsbury, Harlescott, Shrewsbury SY1 4HD, United Kingdom
5. Office of the Chief Veterinary Officer, Welsh Assembly Government, Cathays Park, Cardiff CF10 3NQ, United Kingdom