Affiliation: | 1. School of Veterinary Medicine, University of Glasgow, Glasgow, United Kingdom;2. College of Veterinary Medicine, NC State University, Raleigh, North Carolina, USA;3. Division of Veterinary Epidemiology and Economics, Institute of Veterinary Medicine, Warsaw University of Life Scinces-SGGW, Warsaw, Poland;4. Royal Veterinary College, University of London, Hatfield, United Kingdom |