1. School of Life Sciences; Arizona State University; Tempe; AZ 85287; U.S.A.
2. Veterinary Pathobiology; Texas A&M University; College Station; TX 77843; U.S.A.
3. Biological Sciences; University of Southern California; Los Angeles; CA 90089; U.S.A.
4. Catalina Island Conservancy; Avalon; CA 90704; U.S.A.
5. Turner Enterprises, Inc.; 1123 Research Drive; Bozeman; MT 59718-6858; U.S.A.
6. Large Animal Clinical Sciences; Texas A&M University; College Station; TX 77843; U.S.A.