1 AVMA Center for Information Management, 1931 N Meacham Rd, Schaumburg, IL 60173.
| 2 Present address is the United States Department of Agriculture, Rural Business-Cooperative Service, 1400 Independence Ave SW, Washington, DC 20250.
| 3 Department of Comparative Medicine, University of Washington, Seattle, WA 98195.
| 4 School of Medicine, Division of Bioresources, Temple University, Philadelphia, PA 19140.