1. Ross University School of Veterinary Medicine, P.O. Box 334, Basseterre, St. Kitts, West Indies.
2. Lincoln Memorial University College of Veterinary Medicine, Harrogate, TN 37752 USA.
3. DeVry Medical International's Institute for Research and Clinical Strategy, Iselin, NJ 08830 USA, and Assistant Professor, Center for Teaching and Learning, Ross University School of Medicine, Dominica, West Indies.
4. LaGrange Veterinary Clinic, LaGrange, IN 46761 USA.