Michael A. HigginsDepartment of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606. Present address is the Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, AL 36849.
Nicholas J. H. SharpDepartment of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606. Present address is 1410 Boundary Rd, Burnaby, BC, Canada V5K 4V3.