1. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, One Shields Avenue, Davis, California 95616, USA
2. California Department of Fish and Game, Marine Wildlife Veterinary Care and Research Center, 1451 Shaffer Road, Santa Cruz California, 95060, USA
3. Microbiology Laboratory, Veterinary Medical Teaching Hospital, University of California, One Shields Avenue, Davis, California 95616, USA
4. Applied Marine Sciences, 911 Center Street Suite A, Santa Cruz, California 95060, USA
5. Department of Civil and Environmental Engineering, University of California, One Shields Avenue, Davis, California 95616, USA