1. American Veterinary Medical Association, 1931 N. Meacham Rd, Schaumburg, IL 60173, USA.
2. School of Animal, Rural and Environmental Sciences, Nottingham Trent University, NG25 0QF Southwell, United Kingdom.
3. Ellen S. Dierenfeld LLC, 4736 Gatesbury Drive, St. Louis, MO 63128, USA.