1. Avacta Animal Health; Unit 651, Street 5, Thorp Arch Estate Wetherby, Yorkshire LS23 7FZ UK
2. Department of Clinical Sciences; College of Veterinary Medicine; North Carolina State University; Research Building, 1060 William Moore Drive Raleigh NC 27606 USA
3. Comparative Medicine Institute; College of Veterinary Medicine; North Carolina State University; Raleigh NC 27606 USA