1. The Roslin Institute and The Royal (Dick) School of Veterinary Studies; University of Edinburgh; Midlothian Scotland UK
2. School of Agriculture; Food and Rural Development; Newcastle University; Newcastle upon Tyne UK
3. Evidence-based Veterinary Consultancy (EBVC) Ltd.; Rural Enterprise Centre; Redhills Penrith Cumbria UK
4. Department of Veterinary Diagnostic and Production Animal Medicine; Iowa State University; Ames Iowa USA