1. Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island , Charlottetown, PE, Canada C1A 4P3
2. Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong , Hong Kong SAR
3. Centre of Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph , ON, Canada N1G 2W1
4. Institute of Genetics, Vetsuisse Faculty, University of Bern , Bern 3012 , Switzerland