1. Univ. of California Cooperative Extension-Marin; 1682 Novato Blvd., Suite 150B Novato CA 94947
2. Western Institute for Food Safety and Security, School of Veterinary Medicine, Univ. of California-Davis; One Shields Ave. Davis CA 95616-8734
3. School of Veterinary Medicine, Haring Hall, Univ. of California-Davis; One Shields Ave. Davis CA 95616-8734