1 Foster Hospital for Small Animals at Tufts University's Cummings School of Veterinary Medicine, North Grafton, MA 01536.
| 2 Present address is Department of Clinical Studies–Philadelphia, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.
| 3 Foster Hospital for Small Animals at Tufts University's Cummings School of Veterinary Medicine, North Grafton, MA 01536.
| 4 Foster Hospital for Small Animals at Tufts University's Cummings School of Veterinary Medicine, North Grafton, MA 01536.
| 5 Present address is Department of Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210.
| 6 Angell Animal Medical Center, 350 S Huntington Ave, Boston, MA 02130.
| 7 Present address is Angell Animal Medical Center, 350 S Huntington Ave, Boston, MA 02130.
| 8 Foster Hospital for Small Animals at Tufts University's Cummings School of Veterinary Medicine, North Grafton, MA 01536.